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2242213540 = 225722287973
BaseRepresentation
bin1000010110100101…
…0111011010100100
312210021010020201221
42011221113122210
514043001313130
61010254230124
7106364333500
oct20551273244
95707106657
102242213540
11a50742246
12526ab5344
132996c1898
14173b09300
15d1ca987a
hex85a576a4

2242213540 has 36 divisors (see below), whose sum is σ = 5477409756. Its totient is φ = 768758592.

The previous prime is 2242213517. The next prime is 2242213573. The reversal of 2242213540 is 453122422.

It can be written as a sum of positive squares in 2 ways, for example, as 240188004 + 2002025536 = 15498^2 + 44744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1143007 + ... + 1144966.

It is an arithmetic number, because the mean of its divisors is an integer number (152150271).

Almost surely, 22242213540 is an apocalyptic number.

2242213540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242213540 is an abundant number, since it is smaller than the sum of its proper divisors (3235196216).

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

2242213540 is a wasteful number, since it uses less digits than its factorization.

2242213540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287996 (or 2287987 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2242213540 is about 47352.0172748744. The cubic root of 2242213540 is about 1308.8573724322.

Adding to 2242213540 its reverse (453122422), we get a palindrome (2695335962).

The spelling of 2242213540 in words is "two billion, two hundred forty-two million, two hundred thirteen thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 2287973 4575946 9151892 11439865 16015811 22879730 32031622 45759460 64063244 80079055 112110677 160158110 224221354 320316220 448442708 560553385 1121106770 2242213540