22533520551 has 16 divisors (see below), whose sum is σ = 30112203264. Its totient is φ = 14988625344.

The previous prime is 22533520547. The next prime is 22533520577. The reversal of 22533520551 is 15502533522.

It is not a de Polignac number, because 22533520551 - 2² = 22533520547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533520511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4230576 + ... + 4235898.

It is an arithmetic number, because the mean of its divisors is an integer number (1882012704).

Almost surely, 2^22533520551 is an apocalyptic number.

22533520551 is a deficient number, since it is larger than the sum of its proper divisors (7578682713).

22533520551 is a wasteful number, since it uses less digits than its factorization.

22533520551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 22533520551 in words is "twenty-two billion, five hundred thirty-three million, five hundred twenty thousand, five hundred fifty-one".