22710140 has 24 divisors (see below), whose sum is σ = 48072192. Its totient is φ = 9011520.

The previous prime is 22710089. The next prime is 22710151. The reversal of 22710140 is 4101722.

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, 1931 + ... + 7010.

It is an arithmetic number, because the mean of its divisors is an integer number (2003008).

Almost surely, 2^22710140 is an apocalyptic number.

22710140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22710140 is an abundant number, since it is smaller than the sum of its proper divisors (25362052).

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

22710140 is a wasteful number, since it uses less digits than its factorization.

22710140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077 (or 9075 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 22710140 is about 4765.5157118616. The cubic root of 22710140 is about 283.1869724662.

Adding to 22710140 its reverse (4101722), we get a palindrome (26811862).

The spelling of 22710140 in words is "twenty-two million, seven hundred ten thousand, one hundred forty".