222901 has 6 divisors (see below), whose sum is σ = 259350. Its totient is φ = 191016.

The previous prime is 222883. The next prime is 222913. The reversal of 222901 is 109222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 207025 + 15876 = 455^2 + 126^2 .

It is not a de Polignac number, because 222901 - 2⁷ = 222773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2226 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (43225).

2²²²⁹⁰¹ is an apocalyptic number.

It is an amenable number.

222901 is a deficient number, since it is larger than the sum of its proper divisors (36449).

222901 is an equidigital number, since it uses as much as digits as its factorization.

222901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 222901 is about 472.1239244097. The cubic root of 222901 is about 60.6322947966.

The spelling of 222901 in words is "two hundred twenty-two thousand, nine hundred one".