22970140 has 12 divisors (see below), whose sum is σ = 48237336. Its totient is φ = 9188048.

The previous prime is 22970113. The next prime is 22970141. The reversal of 22970140 is 4107922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22970141) 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, 574234 + ... + 574273.

It is an arithmetic number, because the mean of its divisors is an integer number (4019778).

Almost surely, 2^22970140 is an apocalyptic number.

22970140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22970140 is an abundant number, since it is smaller than the sum of its proper divisors (25267196).

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

22970140 is a wasteful number, since it uses less digits than its factorization.

22970140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148516 (or 1148514 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22970140 is about 4792.7173920439. The cubic root of 22970140 is about 284.2635753141.

The spelling of 22970140 in words is "twenty-two million, nine hundred seventy thousand, one hundred forty".