22989696 has 128 divisors (see below), whose sum is σ = 67564800. Its totient is φ = 6893568.

The previous prime is 22989689. The next prime is 22989697. The reversal of 22989696 is 69698922.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×22989696² = 1057052244344832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22989697) 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, 167740 + ... + 167876.

It is an arithmetic number, because the mean of its divisors is an integer number (527850).

Almost surely, 2^22989696 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 22989696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33782400).

22989696 is an abundant number, since it is smaller than the sum of its proper divisors (44575104).

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

22989696 is a wasteful number, since it uses less digits than its factorization.

22989696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 184 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 22989696 is about 4794.7571367067. The cubic root of 22989696 is about 284.3442232281.

The spelling of 22989696 in words is "twenty-two million, nine hundred eighty-nine thousand, six hundred ninety-six".