23022464 has 32 divisors (see below), whose sum is σ = 46248840. Its totient is φ = 11415040.

The previous prime is 23022463. The next prime is 23022479. The reversal of 23022464 is 46422032.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022463) 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, 16082 + ... + 17454.

Almost surely, 2^23022464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23022464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23124420).

23022464 is an abundant number, since it is smaller than the sum of its proper divisors (23226376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23022464 is a wasteful number, since it uses less digits than its factorization.

23022464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1506 counting only the distinct ones).

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

The square root of 23022464 is about 4798.1729856269. The cubic root of 23022464 is about 284.4792542757.

Adding to 23022464 its reverse (46422032), we get a palindrome (69444496).

The spelling of 23022464 in words is "twenty-three million, twenty-two thousand, four hundred sixty-four".