222313140 has 192 divisors, whose sum is σ = 799518720. Its totient is φ = 50232960.

The previous prime is 222313127. The next prime is 222313153. The reversal of 222313140 is 41313222.

It is an interprime number because it is at equal distance from previous prime (222313127) and next prime (222313153).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 389055 + ... + 389625.

It is an arithmetic number, because the mean of its divisors is an integer number (4164160).

Almost surely, 2^222313140 is an apocalyptic number.

222313140 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 222313140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399759360).

222313140 is an abundant number, since it is smaller than the sum of its proper divisors (577205580).

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

222313140 is a wasteful number, since it uses less digits than its factorization.

222313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 222313140 is about 14910.1690131266. The cubic root of 222313140 is about 605.7894572978.

Adding to 222313140 its reverse (41313222), we get a palindrome (263626362).

The spelling of 222313140 in words is "two hundred twenty-two million, three hundred thirteen thousand, one hundred forty".