22907642 has 4 divisors (see below), whose sum is σ = 34361466. Its totient is φ = 11453820.

The previous prime is 22907639. The next prime is 22907663. The reversal of 22907642 is 24670922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16801801 + 6105841 = 4099^2 + 2471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22907599 and 22907608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726909 + ... + 5726912.

Almost surely, 2^22907642 is an apocalyptic number.

22907642 is a deficient number, since it is larger than the sum of its proper divisors (11453824).

22907642 is a wasteful number, since it uses less digits than its factorization.

22907642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11453823.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 22907642 is about 4786.1928502725. The cubic root of 22907642 is about 284.0055295492.

The spelling of 22907642 in words is "twenty-two million, nine hundred seven thousand, six hundred forty-two".