22529739 has 8 divisors (see below), whose sum is σ = 30065472. Its totient is φ = 15006920.

The previous prime is 22529729. The next prime is 22529761. The reversal of 22529739 is 93792522.

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 22529739 - 2⁸ = 22529483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22529697 and 22529706.

It is not an unprimeable number, because it can be changed into a prime (22529729) 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, 2104 + ... + 7034.

It is an arithmetic number, because the mean of its divisors is an integer number (3758184).

Almost surely, 2^22529739 is an apocalyptic number.

22529739 is a deficient number, since it is larger than the sum of its proper divisors (7535733).

22529739 is a wasteful number, since it uses less digits than its factorization.

22529739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457.

The product of its digits is 68040, while the sum is 39.

The square root of 22529739 is about 4746.5502209499. The cubic root of 22529739 is about 282.4351337742.

The spelling of 22529739 in words is "twenty-two million, five hundred twenty-nine thousand, seven hundred thirty-nine".