222042930 has 64 divisors (see below), whose sum is σ = 568166400. Its totient is φ = 55373760.

The previous prime is 222042893. The next prime is 222042941. The reversal of 222042930 is 39240222.

222042930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222042930.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42565 + ... + 47495.

It is an arithmetic number, because the mean of its divisors is an integer number (8877600).

Almost surely, 2^222042930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222042930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284083200).

222042930 is an abundant number, since it is smaller than the sum of its proper divisors (346123470).

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

222042930 is a wasteful number, since it uses less digits than its factorization.

222042930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 222042930 is about 14901.1049925836. The cubic root of 222042930 is about 605.5439226537.

It can be divided in two parts, 2220 and 42930, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 222042930 in words is "two hundred twenty-two million, forty-two thousand, nine hundred thirty".