22408249656 has 64 divisors (see below), whose sum is σ = 62410269600. Its totient is φ = 6657090048.

The previous prime is 22408249637. The next prime is 22408249693. The reversal of 22408249656 is 65694280422.

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, 1229251 + ... + 1247346.

Almost surely, 2^22408249656 is an apocalyptic number.

22408249656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22408249656 is an abundant number, since it is smaller than the sum of its proper divisors (40002019944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22408249656 is a wasteful number, since it uses less digits than its factorization.

22408249656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476648 (or 2476644 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 22408249656 in words is "twenty-two billion, four hundred eight million, two hundred forty-nine thousand, six hundred fifty-six".