22552405351 has 4 divisors (see below), whose sum is σ = 25774177552. Its totient is φ = 19330633152.

The previous prime is 22552405331. The next prime is 22552405361. The reversal of 22552405351 is 15350425522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22552405351 - 2¹³ = 22552397159 is a prime.

It is a super-2 number, since 2×22552405351² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552405331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610886090 + ... + 1610886103.

It is an arithmetic number, because the mean of its divisors is an integer number (6443544388).

Almost surely, 2^22552405351 is an apocalyptic number.

22552405351 is a deficient number, since it is larger than the sum of its proper divisors (3221772201).

22552405351 is an equidigital number, since it uses as much as digits as its factorization.

22552405351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221772200.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 22552405351 in words is "twenty-two billion, five hundred fifty-two million, four hundred five thousand, three hundred fifty-one".