222312030 has 32 divisors (see below), whose sum is σ = 541517184. Its totient is φ = 58397856.

The previous prime is 222312029. The next prime is 222312037. The reversal of 222312030 is 30213222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222312037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53292 + ... + 57311.

It is an arithmetic number, because the mean of its divisors is an integer number (16922412).

Almost surely, 2^222312030 is an apocalyptic number.

222312030 is an abundant number, since it is smaller than the sum of its proper divisors (319205154).

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

222312030 is a wasteful number, since it uses less digits than its factorization.

222312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110680.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222312030 is about 14910.1317901620. The cubic root of 222312030 is about 605.7884490691.

Adding to 222312030 its reverse (30213222), we get a palindrome (252525252).

The spelling of 222312030 in words is "two hundred twenty-two million, three hundred twelve thousand, thirty".