22575380 has 12 divisors (see below), whose sum is σ = 47408340. Its totient is φ = 9030144.

The previous prime is 22575367. The next prime is 22575431. The reversal of 22575380 is 8357522.

It can be written as a sum of positive squares in 2 ways, for example, as 6543364 + 16032016 = 2558^2 + 4004^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 564365 + ... + 564404.

It is an arithmetic number, because the mean of its divisors is an integer number (3950695).

Almost surely, 2^22575380 is an apocalyptic number.

22575380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22575380 is an abundant number, since it is smaller than the sum of its proper divisors (24832960).

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

22575380 is a wasteful number, since it uses less digits than its factorization.

22575380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128778 (or 1128776 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 22575380 is about 4751.3555960378. The cubic root of 22575380 is about 282.6257252271.

The spelling of 22575380 in words is "twenty-two million, five hundred seventy-five thousand, three hundred eighty".