22742629 has 16 divisors (see below), whose sum is σ = 28103040. Its totient is φ = 17922240.

The previous prime is 22742627. The next prime is 22742633. The reversal of 22742629 is 92624722.

It is not a de Polignac number, because 22742629 - 2¹ = 22742627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22742594 and 22742603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22742627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44427 + ... + 44935.

It is an arithmetic number, because the mean of its divisors is an integer number (1756440).

Almost surely, 2^22742629 is an apocalyptic number.

It is an amenable number.

22742629 is a deficient number, since it is larger than the sum of its proper divisors (5360411).

22742629 is a wasteful number, since it uses less digits than its factorization.

22742629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020.

The product of its digits is 24192, while the sum is 34.

The square root of 22742629 is about 4768.9232537335. The cubic root of 22742629 is about 283.3219500233.

The spelling of 22742629 in words is "twenty-two million, seven hundred forty-two thousand, six hundred twenty-nine".