22713246 has 24 divisors (see below), whose sum is σ = 51802920. Its totient is φ = 7172496.

The previous prime is 22713239. The next prime is 22713277. The reversal of 22713246 is 64231722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32865 + ... + 33548.

It is an arithmetic number, because the mean of its divisors is an integer number (2158455).

Almost surely, 2^22713246 is an apocalyptic number.

22713246 is an abundant number, since it is smaller than the sum of its proper divisors (29089674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22713246 is a wasteful number, since it uses less digits than its factorization.

22713246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66440 (or 66437 counting only the distinct ones).

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

The square root of 22713246 is about 4765.8415836030. The cubic root of 22713246 is about 283.1998820980.

Adding to 22713246 its reverse (64231722), we get a palindrome (86944968).

The spelling of 22713246 in words is "twenty-two million, seven hundred thirteen thousand, two hundred forty-six".