22531296 has 96 divisors (see below), whose sum is σ = 62512128. Its totient is φ = 7096320.

The previous prime is 22531291. The next prime is 22531297. The reversal of 22531296 is 69213522.

It is a tau number, because it is divible by the number of its divisors (96).

Its product of digits (6480) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22531291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199336 + ... + 199448.

It is an arithmetic number, because the mean of its divisors is an integer number (651168).

Almost surely, 2^22531296 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 22531296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31256064).

22531296 is an abundant number, since it is smaller than the sum of its proper divisors (39980832).

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

22531296 is a wasteful number, since it uses less digits than its factorization.

22531296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 216 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 22531296 is about 4746.7142319714. The cubic root of 22531296 is about 282.4416398619.

The spelling of 22531296 in words is "twenty-two million, five hundred thirty-one thousand, two hundred ninety-six".