22506496 has 44 divisors (see below), whose sum is σ = 46507840. Its totient is φ = 10874880.

The previous prime is 22506493. The next prime is 22506511. The reversal of 22506496 is 69460522.

It is not an unprimeable number, because it can be changed into a prime (22506493) 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, 31390 + ... + 32098.

Almost surely, 2^22506496 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 22506496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23253920).

22506496 is an abundant number, since it is smaller than the sum of its proper divisors (24001344).

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

22506496 is an equidigital number, since it uses as much as digits as its factorization.

22506496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 22506496 is about 4744.1011793595. The cubic root of 22506496 is about 282.3379748058.

The spelling of 22506496 in words is "twenty-two million, five hundred six thousand, four hundred ninety-six".