22715601 has 8 divisors (see below), whose sum is σ = 30526464. Its totient is φ = 15024240.

The previous prime is 22715597. The next prime is 22715603. The reversal of 22715601 is 10651722.

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

It is not a de Polignac number, because 22715601 - 2² = 22715597 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22715603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29430 + ... + 30191.

It is an arithmetic number, because the mean of its divisors is an integer number (3815808).

Almost surely, 2^22715601 is an apocalyptic number.

It is an amenable number.

22715601 is a deficient number, since it is larger than the sum of its proper divisors (7810863).

22715601 is a wasteful number, since it uses less digits than its factorization.

22715601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59751.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 22715601 is about 4766.0886479376. The cubic root of 22715601 is about 283.2096695244.

The spelling of 22715601 in words is "twenty-two million, seven hundred fifteen thousand, six hundred one".