22473513 has 12 divisors (see below), whose sum is σ = 33012720. Its totient is φ = 14728056.

The previous prime is 22473427. The next prime is 22473547. The reversal of 22473513 is 31537422.

It is not a de Polignac number, because 22473513 - 2¹⁴ = 22457129 is a prime.

It is a super-2 number, since 2×22473513² = 1010117573122338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22473593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20631 + ... + 21692.

It is an arithmetic number, because the mean of its divisors is an integer number (2751060).

Almost surely, 2^22473513 is an apocalyptic number.

It is an amenable number.

22473513 is a deficient number, since it is larger than the sum of its proper divisors (10539207).

22473513 is a wasteful number, since it uses less digits than its factorization.

22473513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42388 (or 42385 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 22473513 is about 4740.6236931442. The cubic root of 22473513 is about 282.1999864050.

It can be divided in two parts, 224 and 73513, that added together give a palindrome (73737).

The spelling of 22473513 in words is "twenty-two million, four hundred seventy-three thousand, five hundred thirteen".