22349340 has 72 divisors (see below), whose sum is σ = 73015488. Its totient is φ = 5500800.

The previous prime is 22349323. The next prime is 22349417. The reversal of 22349340 is 4394322.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2436 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (1014104).

Almost surely, 2^22349340 is an apocalyptic number.

22349340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22349340 is an abundant number, since it is smaller than the sum of its proper divisors (50666148).

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

22349340 is a wasteful number, since it uses less digits than its factorization.

22349340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579 (or 9574 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 22349340 is about 4727.5088577389. The cubic root of 22349340 is about 281.6792792612.

The spelling of 22349340 in words is "twenty-two million, three hundred forty-nine thousand, three hundred forty".