22327684520 has 32 divisors (see below), whose sum is σ = 50290090920. Its totient is φ = 8921687040.

The previous prime is 22327684517. The next prime is 22327684523. The reversal of 22327684520 is 2548672322.

It is an interprime number because it is at equal distance from previous prime (22327684517) and next prime (22327684523).

It can be written as a sum of positive squares in 4 ways, for example, as 21675495076 + 652189444 = 147226^2 + 25538^2 .

It is a super-3 number, since 3×22327684520³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22327684523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254741 + ... + 330980.

Almost surely, 2^22327684520 is an apocalyptic number.

22327684520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22327684520 is an abundant number, since it is smaller than the sum of its proper divisors (27962406400).

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

22327684520 is a wasteful number, since it uses less digits than its factorization.

22327684520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586685 (or 586681 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 22327684520 in words is "twenty-two billion, three hundred twenty-seven million, six hundred eighty-four thousand, five hundred twenty".