222430340 has 96 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 75841920.

The previous prime is 222430337. The next prime is 222430379. The reversal of 222430340 is 43034222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530651 + ... + 531069.

It is an arithmetic number, because the mean of its divisors is an integer number (5644800).

Almost surely, 2^222430340 is an apocalyptic number.

222430340 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 222430340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270950400).

222430340 is an abundant number, since it is smaller than the sum of its proper divisors (319470460).

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

222430340 is a wasteful number, since it uses less digits than its factorization.

222430340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 222430340 is about 14914.0986988822. The cubic root of 222430340 is about 605.8958928292.

Adding to 222430340 its reverse (43034222), we get a palindrome (265464562).

The spelling of 222430340 in words is "two hundred twenty-two million, four hundred thirty thousand, three hundred forty".