222212293 has 2 divisors, whose sum is σ = 222212294. Its totient is φ = 222212292.

The previous prime is 222212273. The next prime is 222212323. The reversal of 222212293 is 392212222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205549569 + 16662724 = 14337^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 222212293 - 2¹⁷ = 222081221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222212233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106146 + 111106147.

It is an arithmetic number, because the mean of its divisors is an integer number (111106147).

Almost surely, 2^222212293 is an apocalyptic number.

It is an amenable number.

222212293 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212293 is an equidigital number, since it uses as much as digits as its factorization.

222212293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 222212293 is about 14906.7868100406. The cubic root of 222212293 is about 605.6978428459.

The spelling of 222212293 in words is "two hundred twenty-two million, two hundred twelve thousand, two hundred ninety-three".