222712933 has 4 divisors (see below), whose sum is σ = 232396128. Its totient is φ = 213029740.

The previous prime is 222712921. The next prime is 222712951. The reversal of 222712933 is 339217222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222712933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222712895 and 222712904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222712913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4841563 + ... + 4841608.

It is an arithmetic number, because the mean of its divisors is an integer number (58099032).

Almost surely, 2^222712933 is an apocalyptic number.

222712933 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222712933 is a deficient number, since it is larger than the sum of its proper divisors (9683195).

222712933 is an equidigital number, since it uses as much as digits as its factorization.

222712933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9683194.

The product of its digits is 9072, while the sum is 31.

The square root of 222712933 is about 14923.5697137113. The cubic root of 222712933 is about 606.1523768411.

The spelling of 222712933 in words is "two hundred twenty-two million, seven hundred twelve thousand, nine hundred thirty-three".