22506707 has 8 divisors (see below), whose sum is σ = 22942656. Its totient is φ = 22073832.

The previous prime is 22506689. The next prime is 22506709. The reversal of 22506707 is 70760522.

It is a happy number.

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 22506707 - 2⁶ = 22506643 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 22506707.

It is not an unprimeable number, because it can be changed into a prime (22506709) 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, 18368 + ... + 19554.

It is an arithmetic number, because the mean of its divisors is an integer number (2867832).

Almost surely, 2^22506707 is an apocalyptic number.

22506707 is a deficient number, since it is larger than the sum of its proper divisors (435949).

22506707 is a wasteful number, since it uses less digits than its factorization.

22506707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 22506707 is about 4744.1234174503. The cubic root of 22506707 is about 282.3388571159.

The spelling of 22506707 in words is "twenty-two million, five hundred six thousand, seven hundred seven".