22485811 has 4 divisors (see below), whose sum is σ = 22610224. Its totient is φ = 22361400.

The previous prime is 22485809. The next prime is 22485847. The reversal of 22485811 is 11858422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11858422 = 2 ⋅5929211.

It is a cyclic number.

It is not a de Polignac number, because 22485811 - 2¹ = 22485809 is a prime.

It is a super-2 number, since 2×22485811² = 1011223392655442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22480811) 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, 61935 + ... + 62296.

It is an arithmetic number, because the mean of its divisors is an integer number (5652556).

Almost surely, 2^22485811 is an apocalyptic number.

22485811 is a deficient number, since it is larger than the sum of its proper divisors (124413).

22485811 is a wasteful number, since it uses less digits than its factorization.

22485811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124412.

The product of its digits is 5120, while the sum is 31.

The square root of 22485811 is about 4741.9206024564. The cubic root of 22485811 is about 282.2514523623.

The spelling of 22485811 in words is "twenty-two million, four hundred eighty-five thousand, eight hundred eleven".