222042836 has 12 divisors (see below), whose sum is σ = 390723060. Its totient is φ = 110407680.

The previous prime is 222042829. The next prime is 222042857. The reversal of 222042836 is 638240222.

222042836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 220819600 = 1106^2 + 14860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222042799 and 222042808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152621 + ... + 154068.

It is an arithmetic number, because the mean of its divisors is an integer number (32560255).

Almost surely, 2^222042836 is an apocalyptic number.

It is an amenable number.

222042836 is a deficient number, since it is larger than the sum of its proper divisors (168680224).

222042836 is a wasteful number, since it uses less digits than its factorization.

222042836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306874 (or 306872 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 222042836 is about 14901.1018384548. The cubic root of 222042836 is about 605.5438372031.

The spelling of 222042836 in words is "two hundred twenty-two million, forty-two thousand, eight hundred thirty-six".