22646023 has 4 divisors (see below), whose sum is σ = 23978160. Its totient is φ = 21313888.

The previous prime is 22646021. The next prime is 22646051. The reversal of 22646023 is 32064622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22646023 - 2¹ = 22646021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22646021) 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, 666043 + ... + 666076.

It is an arithmetic number, because the mean of its divisors is an integer number (5994540).

Almost surely, 2^22646023 is an apocalyptic number.

22646023 is a deficient number, since it is larger than the sum of its proper divisors (1332137).

22646023 is a wasteful number, since it uses less digits than its factorization.

22646023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332136.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 22646023 is about 4758.7837731925. The cubic root of 22646023 is about 282.9202162438.

The spelling of 22646023 in words is "twenty-two million, six hundred forty-six thousand, twenty-three".