22713629 has 4 divisors (see below), whose sum is σ = 22723260. Its totient is φ = 22704000.

The previous prime is 22713623. The next prime is 22713659. The reversal of 22713629 is 92631722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92631722 = 2 ⋅46315861.

It can be written as a sum of positive squares in 2 ways, for example, as 18705625 + 4008004 = 4325^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 22713629 - 2⁸ = 22713373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22713595 and 22713604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22713623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (5680815).

Almost surely, 2^22713629 is an apocalyptic number.

It is an amenable number.

22713629 is a deficient number, since it is larger than the sum of its proper divisors (9631).

22713629 is an equidigital number, since it uses as much as digits as its factorization.

22713629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9630.

The product of its digits is 9072, while the sum is 32.

The square root of 22713629 is about 4765.8817652141. The cubic root of 22713629 is about 283.2014738996.

The spelling of 22713629 in words is "twenty-two million, seven hundred thirteen thousand, six hundred twenty-nine".