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2442222540 = 2232522136131
BaseRepresentation
bin1001000110010001…
…0101101111001100
320022012110202111200
42101210111233030
520000202110130
61042201145500
7114343356222
oct22144255714
96265422450
102442222540
111043630a3a
12581a8b290
132cbc7ccc4
141924d0b12
15e4616760
hex91915bcc

2442222540 has 72 divisors (see below), whose sum is σ = 7412631408. Its totient is φ = 650858880.

The previous prime is 2442222493. The next prime is 2442222569. The reversal of 2442222540 is 452222442.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395275 + ... + 401405.

It is an arithmetic number, because the mean of its divisors is an integer number (102953214).

Almost surely, 22442222540 is an apocalyptic number.

2442222540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442222540 is an abundant number, since it is smaller than the sum of its proper divisors (4970408868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2442222540 is a wasteful number, since it uses less digits than its factorization.

2442222540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359 (or 8354 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 2442222540 is about 49418.8480238057. The cubic root of 2442222540 is about 1346.6717354589.

Adding to 2442222540 its reverse (452222442), we get a palindrome (2894444982).

The spelling of 2442222540 in words is "two billion, four hundred forty-two million, two hundred twenty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2213 4426 6131 6639 8852 11065 12262 13278 18393 19917 22130 24524 26556 30655 33195 36786 39834 44260 55179 61310 66390 73572 79668 91965 99585 110358 122620 132780 183930 199170 220716 275895 367860 398340 551790 1103580 13567903 27135806 40703709 54271612 67839515 81407418 122111127 135679030 162814836 203518545 244222254 271358060 407037090 488444508 610555635 814074180 1221111270 2442222540