22555887542 has 4 divisors (see below), whose sum is σ = 33833831316. Its totient is φ = 11277943770.

The previous prime is 22555887533. The next prime is 22555887581. The reversal of 22555887542 is 24578855522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638971884 + ... + 5638971887.

It is an arithmetic number, because the mean of its divisors is an integer number (8458457829).

Almost surely, 2^22555887542 is an apocalyptic number.

22555887542 is a deficient number, since it is larger than the sum of its proper divisors (11277943774).

22555887542 is a wasteful number, since it uses less digits than its factorization.

22555887542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11277943773.

The product of its digits is 8960000, while the sum is 53.

The spelling of 22555887542 in words is "twenty-two billion, five hundred fifty-five million, eight hundred eighty-seven thousand, five hundred forty-two".