22889464 has 32 divisors (see below), whose sum is σ = 46609920. Its totient is φ = 10475136.

The previous prime is 22889437. The next prime is 22889467. The reversal of 22889464 is 46498822.

It is a self number, because there is not a number n which added to its sum of digits gives 22889464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22889467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12342 + ... + 14074.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 2^22889464 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 22889464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23304960).

22889464 is an abundant number, since it is smaller than the sum of its proper divisors (23720456).

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

22889464 is a wasteful number, since it uses less digits than its factorization.

22889464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1875 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 22889464 is about 4784.2934692596. The cubic root of 22889464 is about 283.9303869585.

The spelling of 22889464 in words is "twenty-two million, eight hundred eighty-nine thousand, four hundred sixty-four".