22023464 has 8 divisors (see below), whose sum is σ = 41294010. Its totient is φ = 11011728.

The previous prime is 22023457. The next prime is 22023467. The reversal of 22023464 is 46432022.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 10176100 = 3442^2 + 3190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22023467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376459 + ... + 1376474.

Almost surely, 2^22023464 is an apocalyptic number.

It is an amenable number.

22023464 is a deficient number, since it is larger than the sum of its proper divisors (19270546).

22023464 is a wasteful number, since it uses less digits than its factorization.

22023464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752939 (or 2752935 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 22023464 is about 4692.9163640534. The cubic root of 22023464 is about 280.3035144150.

Adding to 22023464 its reverse (46432022), we get a palindrome (68455486).

The spelling of 22023464 in words is "twenty-two million, twenty-three thousand, four hundred sixty-four".