22292154 has 24 divisors (see below), whose sum is σ = 48982752. Its totient is φ = 7325640.

The previous prime is 22292119. The next prime is 22292159. The reversal of 22292154 is 45129222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22292159) 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, 7444 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (2040948).

Almost surely, 2^22292154 is an apocalyptic number.

22292154 is an abundant number, since it is smaller than the sum of its proper divisors (26690598).

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

22292154 is a wasteful number, since it uses less digits than its factorization.

22292154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17522 (or 17519 counting only the distinct ones).

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

The square root of 22292154 is about 4721.4567667194. The cubic root of 22292154 is about 281.4388266779.

The spelling of 22292154 in words is "twenty-two million, two hundred ninety-two thousand, one hundred fifty-four".