22941555 has 56 divisors (see below), whose sum is σ = 46118352. Its totient is φ = 9680832.

The previous prime is 22941539. The next prime is 22941559. The reversal of 22941555 is 55514922.

It is not a de Polignac number, because 22941555 - 2⁴ = 22941539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22941559) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1764729 + ... + 1764741.

It is an arithmetic number, because the mean of its divisors is an integer number (823542).

Almost surely, 2^22941555 is an apocalyptic number.

22941555 is an abundant number, since it is smaller than the sum of its proper divisors (23176797).

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

22941555 is an frugal number, since it uses more digits than its factorization.

22941555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 28 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 22941555 is about 4789.7343350127. The cubic root of 22941555 is about 284.1456098848.

The spelling of 22941555 in words is "twenty-two million, nine hundred forty-one thousand, five hundred fifty-five".