22240308 has 24 divisors (see below), whose sum is σ = 52071712. Its totient is φ = 7388064.

The previous prime is 22240291. The next prime is 22240313. The reversal of 22240308 is 80304222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666 + ... + 6702.

Almost surely, 2^22240308 is an apocalyptic number.

It is an amenable number.

22240308 is an abundant number, since it is smaller than the sum of its proper divisors (29831404).

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

22240308 is a wasteful number, since it uses less digits than its factorization.

22240308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351 (or 6349 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22240308 is about 4715.9631041814. The cubic root of 22240308 is about 281.2204717642.

The spelling of 22240308 in words is "twenty-two million, two hundred forty thousand, three hundred eight".