22922154 has 48 divisors (see below), whose sum is σ = 53012232. Its totient is φ = 7133184.

The previous prime is 22922147. The next prime is 22922161. The reversal of 22922154 is 45122922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22922147) and next prime (22922161).

It can be written as a sum of positive squares in 4 ways, for example, as 21762225 + 1159929 = 4665^2 + 1077^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52722 + ... + 53154.

Almost surely, 2^22922154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22922154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26506116).

22922154 is an abundant number, since it is smaller than the sum of its proper divisors (30090078).

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

22922154 is a wasteful number, since it uses less digits than its factorization.

22922154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 22922154 is about 4787.7086377515. The cubic root of 22922154 is about 284.0654894267.

The spelling of 22922154 in words is "twenty-two million, nine hundred twenty-two thousand, one hundred fifty-four".