22400545242 has 32 divisors (see below), whose sum is σ = 46255233024. Its totient is φ = 7227360000.

The previous prime is 22400545231. The next prime is 22400545247. The reversal of 22400545242 is 24254500422.

It is not an unprimeable number, because it can be changed into a prime (22400545247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327259 + ... + 389742.

It is an arithmetic number, because the mean of its divisors is an integer number (1445476032).

Almost surely, 2^22400545242 is an apocalyptic number.

22400545242 is an abundant number, since it is smaller than the sum of its proper divisors (23854687782).

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

22400545242 is a wasteful number, since it uses less digits than its factorization.

22400545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717174.

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 22400545242 in words is "twenty-two billion, four hundred million, five hundred forty-five thousand, two hundred forty-two".