22256645330 has 16 divisors (see below), whose sum is σ = 40104734040. Its totient is φ = 8893153152.

The previous prime is 22256645311. The next prime is 22256645347. The reversal of 22256645330 is 3354665222.

It can be written as a sum of positive squares in 4 ways, for example, as 6717277681 + 15539367649 = 81959^2 + 124657^2 .

It is a super-2 number, since 2×22256645330² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178285 + ... + 1197024.

Almost surely, 2^22256645330 is an apocalyptic number.

22256645330 is a deficient number, since it is larger than the sum of its proper divisors (17848088710).

22256645330 is a wasteful number, since it uses less digits than its factorization.

22256645330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376253.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 22256645330 in words is "twenty-two billion, two hundred fifty-six million, six hundred forty-five thousand, three hundred thirty".