22140210 has 32 divisors (see below), whose sum is σ = 53669952. Its totient is φ = 5844800.

The previous prime is 22140199. The next prime is 22140221. The reversal of 22140210 is 1204122.

It is an interprime number because it is at equal distance from previous prime (22140199) and next prime (22140221).

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, 624 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (1677186).

Almost surely, 2^22140210 is an apocalyptic number.

22140210 is an abundant number, since it is smaller than the sum of its proper divisors (31529742).

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

22140210 is a wasteful number, since it uses less digits than its factorization.

22140210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22140210 is about 4705.3384575395. The cubic root of 22140210 is about 280.7979364870.

Adding to 22140210 its reverse (1204122), we get a palindrome (23344332).

The spelling of 22140210 in words is "twenty-two million, one hundred forty thousand, two hundred ten".