22474731 has 8 divisors (see below), whose sum is σ = 31729104. Its totient is φ = 14101760.

The previous prime is 22474717. The next prime is 22474759. The reversal of 22474731 is 13747422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22474731 - 2⁶ = 22474667 is a prime.

It is a super-2 number, since 2×22474731² = 1010227067044722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22474031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220290 + ... + 220391.

It is an arithmetic number, because the mean of its divisors is an integer number (3966138).

Almost surely, 2^22474731 is an apocalyptic number.

22474731 is a deficient number, since it is larger than the sum of its proper divisors (9254373).

22474731 is a wasteful number, since it uses less digits than its factorization.

22474731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440701.

The product of its digits is 9408, while the sum is 30.

The square root of 22474731 is about 4740.7521555129. The cubic root of 22474731 is about 282.2050844564.

The spelling of 22474731 in words is "twenty-two million, four hundred seventy-four thousand, seven hundred thirty-one".