222687373 has 2 divisors, whose sum is σ = 222687374. Its totient is φ = 222687372.

The previous prime is 222687337. The next prime is 222687389. The reversal of 222687373 is 373786222.

222687373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (222687337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125507209 + 97180164 = 11203^2 + 9858^2 .

It is a cyclic number.

It is not a de Polignac number, because 222687373 - 2²¹ = 220590221 is a prime.

It is a super-2 number, since 2×222687373² = 99179332187282258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222682373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111343686 + 111343687.

It is an arithmetic number, because the mean of its divisors is an integer number (111343687).

Almost surely, 2^222687373 is an apocalyptic number.

It is an amenable number.

222687373 is a deficient number, since it is larger than the sum of its proper divisors (1).

222687373 is an equidigital number, since it uses as much as digits as its factorization.

222687373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 222687373 is about 14922.7133256657. The cubic root of 222687373 is about 606.1291872770.

The spelling of 222687373 in words is "two hundred twenty-two million, six hundred eighty-seven thousand, three hundred seventy-three".