222938 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 102336.

The previous prime is 222931. The next prime is 222941. The reversal of 222938 is 839222.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 9 + 2¹⁷ + 3¹⁰ + 8 .

It is a Curzon number.

It is a nialpdrome in base 8.

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 7 ways as a sum of consecutive naturals, for example, 2645 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2²²²⁹³⁸ is an apocalyptic number.

222938 is a deficient number, since it is larger than the sum of its proper divisors (139942).

222938 is a wasteful number, since it uses less digits than its factorization.

222938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its digits is 1728, while the sum is 26.

The square root of 222938 is about 472.1631074110. The cubic root of 222938 is about 60.6356494559.

The spelling of 222938 in words is "two hundred twenty-two thousand, nine hundred thirty-eight".