22094280 has 96 divisors (see below), whose sum is σ = 77346360. Its totient is φ = 5437440.

The previous prime is 22094273. The next prime is 22094287. The reversal of 22094280 is 8249022.

It is an interprime number because it is at equal distance from previous prime (22094273) and next prime (22094287).

It can be written as a sum of positive squares in 4 ways, for example, as 14243076 + 7851204 = 3774^2 + 2802^2 .

It is not an unprimeable number, because it can be changed into a prime (22094287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2320 + ... + 7040.

Almost surely, 2^22094280 is an apocalyptic number.

22094280 is a gapful number since it is divisible by the number (20) 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 22094280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38673180).

22094280 is an abundant number, since it is smaller than the sum of its proper divisors (55252080).

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

22094280 is a wasteful number, since it uses less digits than its factorization.

22094280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22094280 is about 4700.4552970962. The cubic root of 22094280 is about 280.6036297204.

The spelling of 22094280 in words is "twenty-two million, ninety-four thousand, two hundred eighty".