22905755 has 4 divisors (see below), whose sum is σ = 27486912. Its totient is φ = 18324600.

The previous prime is 22905739. The next prime is 22905761. The reversal of 22905755 is 55750922.

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

It is not a de Polignac number, because 22905755 - 2⁴ = 22905739 is a prime.

It is a super-2 number, since 2×22905755² = 1049347224240050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290571 + ... + 2290580.

It is an arithmetic number, because the mean of its divisors is an integer number (6871728).

Almost surely, 2^22905755 is an apocalyptic number.

22905755 is a deficient number, since it is larger than the sum of its proper divisors (4581157).

22905755 is an equidigital number, since it uses as much as digits as its factorization.

22905755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581156.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 22905755 is about 4785.9957166717. The cubic root of 22905755 is about 283.9977310868.

The spelling of 22905755 in words is "twenty-two million, nine hundred five thousand, seven hundred fifty-five".