22997055 has 8 divisors (see below), whose sum is σ = 36795312. Its totient is φ = 12265088.

The previous prime is 22997047. The next prime is 22997057. The reversal of 22997055 is 55079922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22997055 - 2³ = 22997047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22997057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766554 + ... + 766583.

It is an arithmetic number, because the mean of its divisors is an integer number (4599414).

Almost surely, 2^22997055 is an apocalyptic number.

22997055 is a deficient number, since it is larger than the sum of its proper divisors (13798257).

22997055 is a wasteful number, since it uses less digits than its factorization.

22997055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533145.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 22997055 is about 4795.5244760089. The cubic root of 22997055 is about 284.3745595131.

The spelling of 22997055 in words is "twenty-two million, nine hundred ninety-seven thousand, fifty-five".