22971105 has 24 divisors (see below), whose sum is σ = 39939432. Its totient is φ = 12213504.

The previous prime is 22971079. The next prime is 22971107. The reversal of 22971105 is 50117922.

It can be written as a sum of positive squares in 4 ways, for example, as 1292769 + 21678336 = 1137^2 + 4656^2 .

It is not a de Polignac number, because 22971105 - 2⁷ = 22970977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22971107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20007 + ... + 21123.

It is an arithmetic number, because the mean of its divisors is an integer number (1664143).

Almost surely, 2^22971105 is an apocalyptic number.

It is an amenable number.

22971105 is a deficient number, since it is larger than the sum of its proper divisors (16968327).

22971105 is a wasteful number, since it uses less digits than its factorization.

22971105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 22971105 is about 4792.8180645629. The cubic root of 22971105 is about 284.2675559966.

The spelling of 22971105 in words is "twenty-two million, nine hundred seventy-one thousand, one hundred five".