22697340 has 24 divisors (see below), whose sum is σ = 63552720. Its totient is φ = 6052608.

The previous prime is 22697327. The next prime is 22697369. The reversal of 22697340 is 4379622.

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, 189085 + ... + 189204.

It is an arithmetic number, because the mean of its divisors is an integer number (2648030).

Almost surely, 2^22697340 is an apocalyptic number.

22697340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22697340 is an abundant number, since it is smaller than the sum of its proper divisors (40855380).

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

22697340 is a wasteful number, since it uses less digits than its factorization.

22697340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378301 (or 378299 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 22697340 is about 4764.1725409561. The cubic root of 22697340 is about 283.1337587260.

The spelling of 22697340 in words is "twenty-two million, six hundred ninety-seven thousand, three hundred forty".