22310140 has 24 divisors (see below), whose sum is σ = 47621952. Its totient is φ = 8777280.

The previous prime is 22310131. The next prime is 22310159. The reversal of 22310140 is 4101322.

It is a super-3 number, since 3×22310140³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22310140.

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, 7924 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (1984248).

Almost surely, 2^22310140 is an apocalyptic number.

22310140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22310140 is an abundant number, since it is smaller than the sum of its proper divisors (25311812).

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

22310140 is a wasteful number, since it uses less digits than its factorization.

22310140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18357 (or 18355 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22310140 is about 4723.3610914263. The cubic root of 22310140 is about 281.5144975166.

Adding to 22310140 its reverse (4101322), we get a palindrome (26411462).

The spelling of 22310140 in words is "twenty-two million, three hundred ten thousand, one hundred forty".