22201020988 has 12 divisors (see below), whose sum is σ = 38883356512. Its totient is φ = 11091490560.

The previous prime is 22201020971. The next prime is 22201021019. The reversal of 22201020988 is 88902010222.

It is a happy number.

It is a super-2 number, since 2×22201020988² (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 3 ways as a sum of consecutive naturals, for example, 2249445 + ... + 2259292.

Almost surely, 2^22201020988 is an apocalyptic number.

It is an amenable number.

22201020988 is a deficient number, since it is larger than the sum of its proper divisors (16682335524).

22201020988 is a wasteful number, since it uses less digits than its factorization.

22201020988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509972 (or 4509970 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 22201020988 in words is "twenty-two billion, two hundred one million, twenty thousand, nine hundred eighty-eight".