222995409 has 32 divisors (see below), whose sum is σ = 387475200. Its totient is φ = 110702592.

The previous prime is 222995393. The next prime is 222995429. The reversal of 222995409 is 904599222.

222995409 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 222995409 - 2⁴ = 222995393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222995429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19384 + ... + 28665.

It is an arithmetic number, because the mean of its divisors is an integer number (12108600).

Almost surely, 2^222995409 is an apocalyptic number.

It is an amenable number.

222995409 is a deficient number, since it is larger than the sum of its proper divisors (164479791).

222995409 is a wasteful number, since it uses less digits than its factorization.

222995409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48089.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 222995409 is about 14933.0308042273. The cubic root of 222995409 is about 606.4085379263.

The spelling of 222995409 in words is "two hundred twenty-two million, nine hundred ninety-five thousand, four hundred nine".