22996861 has 4 divisors (see below), whose sum is σ = 23038272. Its totient is φ = 22955452.

The previous prime is 22996837. The next prime is 22996877. The reversal of 22996861 is 16869922.

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 not a de Polignac number, because 22996861 - 2¹¹ = 22994813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22996811) 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, 19861 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (5759568).

Almost surely, 2^22996861 is an apocalyptic number.

It is an amenable number.

22996861 is a deficient number, since it is larger than the sum of its proper divisors (41411).

22996861 is an equidigital number, since it uses as much as digits as its factorization.

22996861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41410.

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

The square root of 22996861 is about 4795.5042487730. The cubic root of 22996861 is about 284.3737598626.

The spelling of 22996861 in words is "twenty-two million, nine hundred ninety-six thousand, eight hundred sixty-one".