22892100021 has 12 divisors (see below), whose sum is σ = 37790133472. Its totient is φ = 13081199976.

The previous prime is 22892100019. The next prime is 22892100043. The reversal of 22892100021 is 12000129822.

It is not a de Polignac number, because 22892100021 - 2¹ = 22892100019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22892100221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181683271 + ... + 181683396.

Almost surely, 2^22892100021 is an apocalyptic number.

22892100021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22892100021 is a deficient number, since it is larger than the sum of its proper divisors (14898033451).

22892100021 is a wasteful number, since it uses less digits than its factorization.

22892100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363366680 (or 363366677 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 22892100021 its reverse (12000129822), we get a palindrome (34892229843).

The spelling of 22892100021 in words is "twenty-two billion, eight hundred ninety-two million, one hundred thousand, twenty-one".