222035409 has 12 divisors (see below), whose sum is σ = 329386356. Its totient is φ = 144022752.

The previous prime is 222035381. The next prime is 222035417. The reversal of 222035409 is 904530222.

222035409 is a `hidden beast` number, since 2 + 220 + 35 + 409 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135489600 + 86545809 = 11640^2 + 9303^2 .

It is not a de Polignac number, because 222035409 - 2²⁰ = 220986833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222035809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333054 + ... + 333719.

It is an arithmetic number, because the mean of its divisors is an integer number (27448863).

Almost surely, 2^222035409 is an apocalyptic number.

It is an amenable number.

222035409 is a deficient number, since it is larger than the sum of its proper divisors (107350947).

222035409 is a wasteful number, since it uses less digits than its factorization.

222035409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666816 (or 666813 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 222035409 is about 14900.8526266117. The cubic root of 222035409 is about 605.5370856166.

The spelling of 222035409 in words is "two hundred twenty-two million, thirty-five thousand, four hundred nine".