22024550556521 has 8 divisors (see below), whose sum is σ = 22736433698304. Its totient is φ = 21312755775360.

The previous prime is 22024550556479. The next prime is 22024550556551. The reversal of 22024550556521 is 12565505542022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22024550556521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22024550556551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21583400 + ... + 22580793.

It is an arithmetic number, because the mean of its divisors is an integer number (2842054212288).

Almost surely, 2^{22024550556521} is an apocalyptic number.

It is an amenable number.

22024550556521 is a deficient number, since it is larger than the sum of its proper divisors (711883141783).

22024550556521 is a wasteful number, since it uses less digits than its factorization.

22024550556521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44180311.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 22024550556521 in words is "twenty-two trillion, twenty-four billion, five hundred fifty million, five hundred fifty-six thousand, five hundred twenty-one".