22520012245554 has 64 divisors (see below), whose sum is σ = 48009198182400. Its totient is φ = 7026940411392.

The previous prime is 22520012245553. The next prime is 22520012245727. The reversal of 22520012245554 is 45554221002522.

It is a super-2 number, since 2×22520012245554² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22520012245553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4385919 + ... + 8017250.

It is an arithmetic number, because the mean of its divisors is an integer number (750143721600).

Almost surely, 2^{22520012245554} is an apocalyptic number.

22520012245554 is an abundant number, since it is smaller than the sum of its proper divisors (25489185936846).

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

22520012245554 is a wasteful number, since it uses less digits than its factorization.

22520012245554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12403479.

The product of its (nonzero) digits is 320000, while the sum is 39.

The spelling of 22520012245554 in words is "twenty-two trillion, five hundred twenty billion, twelve million, two hundred forty-five thousand, five hundred fifty-four".