22946689 has 4 divisors (see below), whose sum is σ = 22978480. Its totient is φ = 22914900.

The previous prime is 22946687. The next prime is 22946701. The reversal of 22946689 is 98664922.

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 22946689 - 2¹ = 22946687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22946681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14787 + ... + 16264.

It is an arithmetic number, because the mean of its divisors is an integer number (5744620).

Almost surely, 2^22946689 is an apocalyptic number.

It is an amenable number.

22946689 is a deficient number, since it is larger than the sum of its proper divisors (31791).

22946689 is an equidigital number, since it uses as much as digits as its factorization.

22946689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31790.

The product of its digits is 373248, while the sum is 46.

The square root of 22946689 is about 4790.2702428986. The cubic root of 22946689 is about 284.1668042452.

The spelling of 22946689 in words is "twenty-two million, nine hundred forty-six thousand, six hundred eighty-nine".