22951601 has 4 divisors (see below), whose sum is σ = 24159600. Its totient is φ = 21743604.

The previous prime is 22951571. The next prime is 22951609. The reversal of 22951601 is 10615922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22951601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22951609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603971 + ... + 604008.

It is an arithmetic number, because the mean of its divisors is an integer number (6039900).

Almost surely, 2^22951601 is an apocalyptic number.

It is an amenable number.

22951601 is a deficient number, since it is larger than the sum of its proper divisors (1207999).

22951601 is a wasteful number, since it uses less digits than its factorization.

22951601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207998.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 22951601 is about 4790.7829214023. The cubic root of 22951601 is about 284.1870791784.

The spelling of 22951601 in words is "twenty-two million, nine hundred fifty-one thousand, six hundred one".