22861601 has 16 divisors (see below), whose sum is σ = 27202560. Its totient is φ = 18800640.

The previous prime is 22861577. The next prime is 22861607. The reversal of 22861601 is 10616822.

It is a cyclic number.

It is not a de Polignac number, because 22861601 - 2¹⁰ = 22860577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22861607) 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 15 ways as a sum of consecutive naturals, for example, 29345 + ... + 30113.

It is an arithmetic number, because the mean of its divisors is an integer number (1700160).

Almost surely, 2^22861601 is an apocalyptic number.

It is an amenable number.

22861601 is a deficient number, since it is larger than the sum of its proper divisors (4340959).

22861601 is a wasteful number, since it uses less digits than its factorization.

22861601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22861601 is about 4781.3806583455. The cubic root of 22861601 is about 283.8151321177.

The spelling of 22861601 in words is "twenty-two million, eight hundred sixty-one thousand, six hundred one".