22042760 has 16 divisors (see below), whose sum is σ = 49596300. Its totient is φ = 8817088.

The previous prime is 22042751. The next prime is 22042771. The reversal of 22042760 is 6724022.

It can be written as a sum of positive squares in 2 ways, for example, as 18852964 + 3189796 = 4342^2 + 1786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275495 + ... + 275574.

Almost surely, 2^22042760 is an apocalyptic number.

22042760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22042760 is an abundant number, since it is smaller than the sum of its proper divisors (27553540).

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

22042760 is a wasteful number, since it uses less digits than its factorization.

22042760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551080 (or 551076 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22042760 is about 4694.9717784029. The cubic root of 22042760 is about 280.3853537621.

Adding to 22042760 its reverse (6724022), we get a palindrome (28766782).

The spelling of 22042760 in words is "twenty-two million, forty-two thousand, seven hundred sixty".