22690248 has 64 divisors (see below), whose sum is σ = 65387520. Its totient is φ = 6427200.

The previous prime is 22690247. The next prime is 22690253. The reversal of 22690248 is 84209622.

It is not an unprimeable number, because it can be changed into a prime (22690243) 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, 21493 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (1021680).

Almost surely, 2^22690248 is an apocalyptic number.

22690248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22690248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32693760).

22690248 is an abundant number, since it is smaller than the sum of its proper divisors (42697272).

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

22690248 is a wasteful number, since it uses less digits than its factorization.

22690248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 22690248 is about 4763.4281772690. The cubic root of 22690248 is about 283.1042663744.

The spelling of 22690248 in words is "twenty-two million, six hundred ninety thousand, two hundred forty-eight".