22328450 has 12 divisors (see below), whose sum is σ = 41531010. Its totient is φ = 8931360.

The previous prime is 22328447. The next prime is 22328479. The reversal of 22328450 is 5482322.

It can be written as a sum of positive squares in 3 ways, for example, as 12823561 + 9504889 = 3581^2 + 3083^2 .

It is a super-3 number, since 3×22328450³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223235 + ... + 223334.

Almost surely, 2^22328450 is an apocalyptic number.

22328450 is a deficient number, since it is larger than the sum of its proper divisors (19202560).

22328450 is a wasteful number, since it uses less digits than its factorization.

22328450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446581 (or 446576 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22328450 is about 4725.2989323428. The cubic root of 22328450 is about 281.5914897270.

The spelling of 22328450 in words is "twenty-two million, three hundred twenty-eight thousand, four hundred fifty".