22476213 has 6 divisors (see below), whose sum is σ = 32465654. Its totient is φ = 14984136.

The previous prime is 22476191. The next prime is 22476239. The reversal of 22476213 is 31267422.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 178929 = 4722^2 + 423^2 .

It is not a de Polignac number, because 22476213 - 2⁹ = 22475701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22476253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1248670 + ... + 1248687.

Almost surely, 2^22476213 is an apocalyptic number.

It is an amenable number.

22476213 is a deficient number, since it is larger than the sum of its proper divisors (9989441).

22476213 is a wasteful number, since it uses less digits than its factorization.

22476213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497363 (or 2497360 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22476213 is about 4740.9084572474. The cubic root of 22476213 is about 282.2112872557.

The spelling of 22476213 in words is "twenty-two million, four hundred seventy-six thousand, two hundred thirteen".