22627140 has 48 divisors (see below), whose sum is σ = 63806400. Its totient is φ = 5991040.

The previous prime is 22627109. The next prime is 22627151. The reversal of 22627140 is 4172622.

It is a self number, because there is not a number n which added to its sum of digits gives 22627140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7675 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (1329300).

Almost surely, 2^22627140 is an apocalyptic number.

22627140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22627140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31903200).

22627140 is an abundant number, since it is smaller than the sum of its proper divisors (41179260).

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

22627140 is a wasteful number, since it uses less digits than its factorization.

22627140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22627140 is about 4756.7993440968. The cubic root of 22627140 is about 282.8415583117.

Adding to 22627140 its reverse (4172622), we get a palindrome (26799762).

The spelling of 22627140 in words is "twenty-two million, six hundred twenty-seven thousand, one hundred forty".