22474155 has 16 divisors (see below), whose sum is σ = 39227904. Its totient is φ = 10896480.

The previous prime is 22474121. The next prime is 22474171. The reversal of 22474155 is 55147422.

It is not a de Polignac number, because 22474155 - 2⁶ = 22474091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67939 + ... + 68268.

It is an arithmetic number, because the mean of its divisors is an integer number (2451744).

Almost surely, 2^22474155 is an apocalyptic number.

22474155 is a deficient number, since it is larger than the sum of its proper divisors (16753749).

22474155 is a wasteful number, since it uses less digits than its factorization.

22474155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136226.

The product of its digits is 11200, while the sum is 30.

The square root of 22474155 is about 4740.6914052699. The cubic root of 22474155 is about 282.2026735782.

The spelling of 22474155 in words is "twenty-two million, four hundred seventy-four thousand, one hundred fifty-five".