222462642 has 16 divisors (see below), whose sum is σ = 446512032. Its totient is φ = 73889760.

The previous prime is 222462641. The next prime is 222462649. The reversal of 222462642 is 246264222.

It is not an unprimeable number, because it can be changed into a prime (222462641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64288 + ... + 67659.

It is an arithmetic number, because the mean of its divisors is an integer number (27907002).

Almost surely, 2^222462642 is an apocalyptic number.

222462642 is an abundant number, since it is smaller than the sum of its proper divisors (224049390).

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

222462642 is a wasteful number, since it uses less digits than its factorization.

222462642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132233.

The product of its digits is 18432, while the sum is 30.

The square root of 222462642 is about 14915.1815946035. The cubic root of 222462642 is about 605.9252214148.

The spelling of 222462642 in words is "two hundred twenty-two million, four hundred sixty-two thousand, six hundred forty-two".