222108440 has 16 divisors (see below), whose sum is σ = 499744080. Its totient is φ = 88843360.

The previous prime is 222108437. The next prime is 222108443. The reversal of 222108440 is 44801222.

It is a happy number.

222108440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222108437) and next prime (222108443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222108443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776316 + ... + 2776395.

It is an arithmetic number, because the mean of its divisors is an integer number (31234005).

Almost surely, 2^222108440 is an apocalyptic number.

222108440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222108440 is an abundant number, since it is smaller than the sum of its proper divisors (277635640).

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

222108440 is a wasteful number, since it uses less digits than its factorization.

222108440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552722 (or 5552718 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 222108440 is about 14903.3029896060. The cubic root of 222108440 is about 605.6034686189.

Adding to 222108440 its reverse (44801222), we get a palindrome (266909662).

The spelling of 222108440 in words is "two hundred twenty-two million, one hundred eight thousand, four hundred forty".