222042905 has 16 divisors (see below), whose sum is σ = 306284544. Its totient is φ = 151373760.

The previous prime is 222042893. The next prime is 222042941. The reversal of 222042905 is 509240222.

222042905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222042905 - 2⁴ = 222042889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12281 + ... + 24390.

It is an arithmetic number, because the mean of its divisors is an integer number (19142784).

Almost surely, 2^222042905 is an apocalyptic number.

It is an amenable number.

222042905 is a deficient number, since it is larger than the sum of its proper divisors (84241639).

222042905 is a wasteful number, since it uses less digits than its factorization.

222042905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36856.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 222042905 is about 14901.1041537196. The cubic root of 222042905 is about 605.5438999275.

The spelling of 222042905 in words is "two hundred twenty-two million, forty-two thousand, nine hundred five".