22612406 has 4 divisors (see below), whose sum is σ = 33918612. Its totient is φ = 11306202.

The previous prime is 22612393. The next prime is 22612411. The reversal of 22612406 is 60421622.

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

It is a super-2 number, since 2×22612406² = 1022641810217672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5653100 + ... + 5653103.

It is an arithmetic number, because the mean of its divisors is an integer number (8479653).

Almost surely, 2^22612406 is an apocalyptic number.

22612406 is a deficient number, since it is larger than the sum of its proper divisors (11306206).

22612406 is a wasteful number, since it uses less digits than its factorization.

22612406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11306205.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22612406 is about 4755.2503614426. The cubic root of 22612406 is about 282.7801528137.

The spelling of 22612406 in words is "twenty-two million, six hundred twelve thousand, four hundred six".