22465775 has 12 divisors (see below), whose sum is σ = 27961752. Its totient is φ = 17905440.

The previous prime is 22465769. The next prime is 22465787. The reversal of 22465775 is 57756422.

It is a happy number.

It is not a de Polignac number, because 22465775 - 2⁴ = 22465759 is a prime.

It is a super-2 number, since 2×22465775² = 1009422092701250, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5792 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (2330146).

Almost surely, 2^22465775 is an apocalyptic number.

22465775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22465775 is a deficient number, since it is larger than the sum of its proper divisors (5495977).

22465775 is a wasteful number, since it uses less digits than its factorization.

22465775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3365 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 22465775 is about 4739.8074855420. The cubic root of 22465775 is about 282.1675939887.

The spelling of 22465775 in words is "twenty-two million, four hundred sixty-five thousand, seven hundred seventy-five".