Search a number
-
+
22552207442 = 21061892
BaseRepresentation
bin10101000000001101…
…110110000001010010
32011012200221211200022
4111000031312001102
5332141331114232
614205500023442
71425602412632
oct250015660122
964180854608
1022552207442
119623151276
124454831b82
13218538615b
14113d2466c2
158bed5a812
hex540376052

22552207442 has 6 divisors (see below), whose sum is σ = 33828629733. Its totient is φ = 11275997532.

The previous prime is 22552207387. The next prime is 22552207507. The reversal of 22552207442 is 24470225522.

It can be written as a sum of positive squares in 2 ways, for example, as 21409835041 + 1142372401 = 146321^2 + 33799^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=106189.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 159284 + ... + 265472.

Almost surely, 222552207442 is an apocalyptic number.

22552207442 is a deficient number, since it is larger than the sum of its proper divisors (11276422291).

22552207442 is an frugal number, since it uses more digits than its factorization.

22552207442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212380 (or 106191 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The spelling of 22552207442 in words is "twenty-two billion, five hundred fifty-two million, two hundred seven thousand, four hundred forty-two".

Divisors: 1 2 106189 212378 11276103721 22552207442