222900491 has 8 divisors (see below), whose sum is σ = 246794304. Its totient is φ = 199611720.

The previous prime is 222900487. The next prime is 222900493. The reversal of 222900491 is 194009222.

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

It is not a de Polignac number, because 222900491 - 2² = 222900487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222900493) 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, 150485 + ... + 151958.

It is an arithmetic number, because the mean of its divisors is an integer number (30849288).

Almost surely, 2^222900491 is an apocalyptic number.

222900491 is a deficient number, since it is larger than the sum of its proper divisors (23893813).

222900491 is a wasteful number, since it uses less digits than its factorization.

222900491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302521.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 222900491 is about 14929.8523435431. The cubic root of 222900491 is about 606.3224864474.

The spelling of 222900491 in words is "two hundred twenty-two million, nine hundred thousand, four hundred ninety-one".