22698961 has 4 divisors (see below), whose sum is σ = 24034212. Its totient is φ = 21363712.

The previous prime is 22698943. The next prime is 22698971. The reversal of 22698961 is 16989622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 7049025 = 3956^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 22698961 - 2¹¹ = 22696913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22698911) 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, 667600 + ... + 667633.

It is an arithmetic number, because the mean of its divisors is an integer number (6008553).

Almost surely, 2^22698961 is an apocalyptic number.

It is an amenable number.

22698961 is a deficient number, since it is larger than the sum of its proper divisors (1335251).

22698961 is a wasteful number, since it uses less digits than its factorization.

22698961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335250.

The product of its digits is 93312, while the sum is 43.

The square root of 22698961 is about 4764.3426619000. The cubic root of 22698961 is about 283.1404988535.

The spelling of 22698961 in words is "twenty-two million, six hundred ninety-eight thousand, nine hundred sixty-one".