22339155 has 32 divisors (see below), whose sum is σ = 38039040. Its totient is φ = 11162880.

The previous prime is 22339153. The next prime is 22339181. The reversal of 22339155 is 55193322.

It is not a de Polignac number, because 22339155 - 2¹ = 22339153 is a prime.

It is a super-2 number, since 2×22339155² = 998075692228050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22339151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28975 + ... + 29735.

It is an arithmetic number, because the mean of its divisors is an integer number (1188720).

Almost surely, 2^22339155 is an apocalyptic number.

22339155 is a deficient number, since it is larger than the sum of its proper divisors (15699885).

22339155 is a wasteful number, since it uses less digits than its factorization.

22339155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 8100, while the sum is 30.

The square root of 22339155 is about 4726.4315291772. The cubic root of 22339155 is about 281.6364839725.

It can be divided in two parts, 223391 and 55, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 22339155 in words is "twenty-two million, three hundred thirty-nine thousand, one hundred fifty-five".