22385155 has 16 divisors (see below), whose sum is σ = 29604960. Its totient is φ = 16144128.

The previous prime is 22385137. The next prime is 22385159. The reversal of 22385155 is 55158322.

It is not a de Polignac number, because 22385155 - 2⁵ = 22385123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22385159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210 + ... + 6799.

It is an arithmetic number, because the mean of its divisors is an integer number (1850310).

Almost surely, 2^22385155 is an apocalyptic number.

22385155 is a deficient number, since it is larger than the sum of its proper divisors (7219805).

22385155 is a wasteful number, since it uses less digits than its factorization.

22385155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its digits is 12000, while the sum is 31.

The square root of 22385155 is about 4731.2952771942. The cubic root of 22385155 is about 281.8296634082.

The spelling of 22385155 in words is "twenty-two million, three hundred eighty-five thousand, one hundred fifty-five".