22892121 has 12 divisors (see below), whose sum is σ = 37790272. Its totient is φ = 13081176.

The previous prime is 22892099. The next prime is 22892123. The reversal of 22892121 is 12129822.

It is not a de Polignac number, because 22892121 - 2⁶ = 22892057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22892123) 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, 181621 + ... + 181746.

Almost surely, 2^22892121 is an apocalyptic number.

22892121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22892121 is a deficient number, since it is larger than the sum of its proper divisors (14898151).

22892121 is a wasteful number, since it uses less digits than its factorization.

22892121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363380 (or 363377 counting only the distinct ones).

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

The square root of 22892121 is about 4784.5711406562. The cubic root of 22892121 is about 283.9413727094.

The spelling of 22892121 in words is "twenty-two million, eight hundred ninety-two thousand, one hundred twenty-one".