22374280 has 16 divisors (see below), whose sum is σ = 50342220. Its totient is φ = 8949696.

The previous prime is 22374269. The next prime is 22374293. The reversal of 22374280 is 8247322.

It can be written as a sum of positive squares in 2 ways, for example, as 22335076 + 39204 = 4726^2 + 198^2 .

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279639 + ... + 279718.

Almost surely, 2^22374280 is an apocalyptic number.

22374280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22374280 is an abundant number, since it is smaller than the sum of its proper divisors (27967940).

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

22374280 is a wasteful number, since it uses less digits than its factorization.

22374280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559368 (or 559364 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 22374280 is about 4730.1458751290. The cubic root of 22374280 is about 281.7840171746.

The spelling of 22374280 in words is "twenty-two million, three hundred seventy-four thousand, two hundred eighty".