222772130 has 24 divisors (see below), whose sum is σ = 466458588. Its totient is φ = 76378848.

The previous prime is 222772127. The next prime is 222772133. The reversal of 222772130 is 31277222.

It is an interprime number because it is at equal distance from previous prime (222772127) and next prime (222772133).

It can be written as a sum of positive squares in 2 ways, for example, as 204118369 + 18653761 = 14287^2 + 4319^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222772130.

It is not an unprimeable number, because it can be changed into a prime (222772133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226829 + ... + 227808.

Almost surely, 2^222772130 is an apocalyptic number.

222772130 is an abundant number, since it is smaller than the sum of its proper divisors (243686458).

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

222772130 is a wasteful number, since it uses less digits than its factorization.

222772130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454658 (or 454651 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 222772130 is about 14925.5529210813. The cubic root of 222772130 is about 606.2060770956.

The spelling of 222772130 in words is "two hundred twenty-two million, seven hundred seventy-two thousand, one hundred thirty".