22357340 has 12 divisors (see below), whose sum is σ = 46950456. Its totient is φ = 8942928.

The previous prime is 22357339. The next prime is 22357343. The reversal of 22357340 is 4375322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22357343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558914 + ... + 558953.

It is an arithmetic number, because the mean of its divisors is an integer number (3912538).

Almost surely, 2^22357340 is an apocalyptic number.

22357340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22357340 is an abundant number, since it is smaller than the sum of its proper divisors (24593116).

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

22357340 is a wasteful number, since it uses less digits than its factorization.

22357340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117876 (or 1117874 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 22357340 is about 4728.3548936179. The cubic root of 22357340 is about 281.7128845103.

The spelling of 22357340 in words is "twenty-two million, three hundred fifty-seven thousand, three hundred forty".