222497 has 8 divisors (see below), whose sum is σ = 246240. Its totient is φ = 199360.

The previous prime is 222493. The next prime is 222499. The reversal of 222497 is 794222.

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

It is a cyclic number.

It is not a de Polignac number, because 222497 - 2² = 222493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2²²²⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

222497 is a deficient number, since it is larger than the sum of its proper divisors (23743).

222497 is a wasteful number, since it uses less digits than its factorization.

222497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its digits is 2016, while the sum is 26.

The square root of 222497 is about 471.6958765985. The cubic root of 222497 is about 60.5956413629.

The spelling of 222497 in words is "two hundred twenty-two thousand, four hundred ninety-seven".