222013442 has 32 divisors (see below), whose sum is σ = 410417280. Its totient is φ = 87937920.

The previous prime is 222013409. The next prime is 222013447. The reversal of 222013442 is 244310222.

It is not an unprimeable number, because it can be changed into a prime (222013447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728 + ... + 21084.

It is an arithmetic number, because the mean of its divisors is an integer number (12825540).

Almost surely, 2^222013442 is an apocalyptic number.

222013442 is a deficient number, since it is larger than the sum of its proper divisors (188403838).

222013442 is a wasteful number, since it uses less digits than its factorization.

222013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 222013442 is about 14900.1155029080. The cubic root of 222013442 is about 605.5171154207.

Adding to 222013442 its reverse (244310222), we get a palindrome (466323664).

The spelling of 222013442 in words is "two hundred twenty-two million, thirteen thousand, four hundred forty-two".