22646423 has 16 divisors (see below), whose sum is σ = 24900480. Its totient is φ = 20520864.

The previous prime is 22646417. The next prime is 22646447. The reversal of 22646423 is 32464622.

It is a cyclic number.

It is not a de Polignac number, because 22646423 - 2⁶ = 22646359 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 (22646453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43040 + ... + 43562.

It is an arithmetic number, because the mean of its divisors is an integer number (1556280).

Almost surely, 2^22646423 is an apocalyptic number.

22646423 is a deficient number, since it is larger than the sum of its proper divisors (2254057).

22646423 is a wasteful number, since it uses less digits than its factorization.

22646423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638.

The product of its digits is 13824, while the sum is 29.

The square root of 22646423 is about 4758.8258005521. The cubic root of 22646423 is about 282.9218819876.

The spelling of 22646423 in words is "twenty-two million, six hundred forty-six thousand, four hundred twenty-three".