22700961 has 6 divisors (see below), whose sum is σ = 32790290. Its totient is φ = 15133968.

The previous prime is 22700941. The next prime is 22700969. The reversal of 22700961 is 16900722.

It can be written as a sum of positive squares in only one way, i.e., 21566736 + 1134225 = 4644^2 + 1065^2 .

It is not a de Polignac number, because 22700961 - 2⁵ = 22700929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22700969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261156 + ... + 1261173.

Almost surely, 2^22700961 is an apocalyptic number.

It is an amenable number.

22700961 is a deficient number, since it is larger than the sum of its proper divisors (10089329).

22700961 is a wasteful number, since it uses less digits than its factorization.

22700961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522335 (or 2522332 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 22700961 is about 4764.5525498204. The cubic root of 22700961 is about 283.1488144230.

The spelling of 22700961 in words is "twenty-two million, seven hundred thousand, nine hundred sixty-one".