22229955 has 24 divisors (see below), whose sum is σ = 42035760. Its totient is φ = 10777920.

The previous prime is 22229947. The next prime is 22229959. The reversal of 22229955 is 55992222.

It is not a de Polignac number, because 22229955 - 2³ = 22229947 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22229959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21960 + ... + 22949.

It is an arithmetic number, because the mean of its divisors is an integer number (1751490).

Almost surely, 2^22229955 is an apocalyptic number.

22229955 is a deficient number, since it is larger than the sum of its proper divisors (19805805).

22229955 is a wasteful number, since it uses less digits than its factorization.

22229955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44931 (or 44928 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 22229955 is about 4714.8653215124. The cubic root of 22229955 is about 281.1768283723.

The spelling of 22229955 in words is "twenty-two million, two hundred twenty-nine thousand, nine hundred fifty-five".