222590 has 8 divisors (see below), whose sum is σ = 400680. Its totient is φ = 89032.

The previous prime is 222587. The next prime is 222601. The reversal of 222590 is 95222.

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

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, 11120 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (50085).

2²²²⁵⁹⁰ is an apocalyptic number.

222590 is a deficient number, since it is larger than the sum of its proper divisors (178090).

222590 is a wasteful number, since it uses less digits than its factorization.

222590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22266.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 222590 is about 471.7944467668. The cubic root of 222590 is about 60.6040828395.

The spelling of 222590 in words is "two hundred twenty-two thousand, five hundred ninety".