22240546456 has 64 divisors (see below), whose sum is σ = 42982189920. Its totient is φ = 10784317440.

The previous prime is 22240546441. The next prime is 22240546507. The reversal of 22240546456 is 65464504222.

It is a super-2 number, since 2×22240546456² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14156151 + ... + 14157721.

Almost surely, 2^22240546456 is an apocalyptic number.

It is an amenable number.

22240546456 is a deficient number, since it is larger than the sum of its proper divisors (20741643464).

22240546456 is a wasteful number, since it uses less digits than its factorization.

22240546456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 22240546456 in words is "twenty-two billion, two hundred forty million, five hundred forty-six thousand, four hundred fifty-six".