22320496 has 40 divisors (see below), whose sum is σ = 48711168. Its totient is φ = 9816000.

The previous prime is 22320461. The next prime is 22320499. The reversal of 22320496 is 69402322.

It is a super-3 number, since 3×22320496³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3411 + ... + 7501.

Almost surely, 2^22320496 is an apocalyptic number.

22320496 is the 2728-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22320496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24355584).

22320496 is an abundant number, since it is smaller than the sum of its proper divisors (26390672).

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

22320496 is a wasteful number, since it uses less digits than its factorization.

22320496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141 (or 4135 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22320496 is about 4724.4572175013. The cubic root of 22320496 is about 281.5580489117.

The spelling of 22320496 in words is "twenty-two million, three hundred twenty thousand, four hundred ninety-six".