22506601 has 8 divisors (see below), whose sum is σ = 24276224. Its totient is φ = 20742480.

The previous prime is 22506593. The next prime is 22506607. The reversal of 22506601 is 10660522.

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 22506601 - 2³ = 22506593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22506607) 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, 12010 + ... + 13756.

It is an arithmetic number, because the mean of its divisors is an integer number (3034528).

Almost surely, 2^22506601 is an apocalyptic number.

It is an amenable number.

22506601 is a deficient number, since it is larger than the sum of its proper divisors (1769623).

22506601 is a wasteful number, since it uses less digits than its factorization.

22506601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22506601 is about 4744.1122457210. The cubic root of 22506601 is about 282.3384138708.

The spelling of 22506601 in words is "twenty-two million, five hundred six thousand, six hundred one".