22912105 has 4 divisors (see below), whose sum is σ = 27494532. Its totient is φ = 18329680.

The previous prime is 22912103. The next prime is 22912121. The reversal of 22912105 is 50121922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14891881 + 8020224 = 3859^2 + 2832^2 .

It is not a de Polignac number, because 22912105 - 2¹ = 22912103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22912103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291206 + ... + 2291215.

It is an arithmetic number, because the mean of its divisors is an integer number (6873633).

Almost surely, 2^22912105 is an apocalyptic number.

It is an amenable number.

22912105 is a deficient number, since it is larger than the sum of its proper divisors (4582427).

22912105 is an equidigital number, since it uses as much as digits as its factorization.

22912105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582426.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 22912105 is about 4786.6590645251. The cubic root of 22912105 is about 284.0239722210.

The spelling of 22912105 in words is "twenty-two million, nine hundred twelve thousand, one hundred five".