222783 has 16 divisors (see below), whose sum is σ = 333696. Its totient is φ = 131040.

The previous prime is 222779. The next prime is 222787. The reversal of 222783 is 387222.

It is a Cunningham number, because it is equal to 472²-1.

It is an interprime number because it is at equal distance from previous prime (222779) and next prime (222787).

It is not a de Polignac number, because 222783 - 2² = 222779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (20856).

2²²²⁷⁸³ is an apocalyptic number.

222783 is a deficient number, since it is larger than the sum of its proper divisors (110913).

222783 is a wasteful number, since it uses less digits than its factorization.

222783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its digits is 1344, while the sum is 24.

The square root of 222783 is about 471.9989406768. The cubic root of 222783 is about 60.6215936726.

The spelling of 222783 in words is "two hundred twenty-two thousand, seven hundred eighty-three".