222440130 has 96 divisors (see below), whose sum is σ = 658419840. Its totient is φ = 51575040.

The previous prime is 222440093. The next prime is 222440147. The reversal of 222440130 is 31044222.

222440130 is a `hidden beast` number, since 222 + 440 + 1 + 3 + 0 = 666.

It is a super-2 number, since 2×222440130² = 98959222868833800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17886 + ... + 27654.

It is an arithmetic number, because the mean of its divisors is an integer number (6858540).

Almost surely, 2^222440130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222440130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329209920).

222440130 is an abundant number, since it is smaller than the sum of its proper divisors (435979710).

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

222440130 is a wasteful number, since it uses less digits than its factorization.

222440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9816 (or 9813 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222440130 is about 14914.4269081987. The cubic root of 222440130 is about 605.9047819549.

Adding to 222440130 its reverse (31044222), we get a palindrome (253484352).

The spelling of 222440130 in words is "two hundred twenty-two million, four hundred forty thousand, one hundred thirty".