22601501 has 16 divisors (see below), whose sum is σ = 25256448. Its totient is φ = 20092800.

The previous prime is 22601497. The next prime is 22601521. The reversal of 22601501 is 10510622.

It is not a de Polignac number, because 22601501 - 2² = 22601497 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 22601501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22601521) 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, 43121 + ... + 43641.

It is an arithmetic number, because the mean of its divisors is an integer number (1578528).

Almost surely, 2^22601501 is an apocalyptic number.

It is an amenable number.

22601501 is a deficient number, since it is larger than the sum of its proper divisors (2654947).

22601501 is a wasteful number, since it uses less digits than its factorization.

22601501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 22601501 is about 4754.1035958422. The cubic root of 22601501 is about 282.7346878978.

The spelling of 22601501 in words is "twenty-two million, six hundred one thousand, five hundred one".