222842605 has 8 divisors (see below), whose sum is σ = 267531264. Its totient is φ = 178194000.

The previous prime is 222842597. The next prime is 222842623. The reversal of 222842605 is 506248222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222842605 - 2³ = 222842597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4020 + ... + 21490.

It is an arithmetic number, because the mean of its divisors is an integer number (33441408).

Almost surely, 2^222842605 is an apocalyptic number.

It is an amenable number.

222842605 is a deficient number, since it is larger than the sum of its proper divisors (44688659).

222842605 is a wasteful number, since it uses less digits than its factorization.

222842605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20027.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 222842605 is about 14927.9136184532. The cubic root of 222842605 is about 606.2699957269.

The spelling of 222842605 in words is "two hundred twenty-two million, eight hundred forty-two thousand, six hundred five".