222222130 has 64 divisors (see below), whose sum is σ = 459351648. Its totient is φ = 76677120.

The previous prime is 222222103. The next prime is 222222131. The reversal of 222222130 is 31222222.

It can be written as a sum of positive squares in 16 ways, for example, as 182329 + 222039801 = 427^2 + 14901^2 .

It is not an unprimeable number, because it can be changed into a prime (222222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426270 + ... + 426790.

Almost surely, 2^222222130 is an apocalyptic number.

222222130 is an abundant number, since it is smaller than the sum of its proper divisors (237129518).

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

222222130 is a wasteful number, since it uses less digits than its factorization.

222222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222222130 is about 14907.1167567709. The cubic root of 222222130 is about 605.7067804879.

Adding to 222222130 its reverse (31222222), we get a palindrome (253444352).

The spelling of 222222130 in words is "two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty".