22499707 has 8 divisors (see below), whose sum is σ = 23767040. Its totient is φ = 21266280.

The previous prime is 22499689. The next prime is 22499713. The reversal of 22499707 is 70799422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22499707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22499707.

It is not an unprimeable number, because it can be changed into a prime (22499717) 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, 7107 + ... + 9772.

It is an arithmetic number, because the mean of its divisors is an integer number (2970880).

Almost surely, 2^22499707 is an apocalyptic number.

22499707 is a deficient number, since it is larger than the sum of its proper divisors (1267333).

22499707 is a wasteful number, since it uses less digits than its factorization.

22499707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16953.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 22499707 is about 4743.3856052402. The cubic root of 22499707 is about 282.3095832210.

The spelling of 22499707 in words is "twenty-two million, four hundred ninety-nine thousand, seven hundred seven".