226168693 has 2 divisors, whose sum is σ = 226168694. Its totient is φ = 226168692.

The previous prime is 226168643. The next prime is 226168721. The reversal of 226168693 is 396861622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139641489 + 86527204 = 11817^2 + 9302^2 .

It is a cyclic number.

It is not a de Polignac number, because 226168693 - 2¹⁷ = 226037621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226168603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113084346 + 113084347.

It is an arithmetic number, because the mean of its divisors is an integer number (113084347).

Almost surely, 2^226168693 is an apocalyptic number.

It is an amenable number.

226168693 is a deficient number, since it is larger than the sum of its proper divisors (1).

226168693 is an equidigital number, since it uses as much as digits as its factorization.

226168693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 226168693 is about 15038.9059774972. The cubic root of 226168693 is about 609.2714521685.

The spelling of 226168693 in words is "two hundred twenty-six million, one hundred sixty-eight thousand, six hundred ninety-three".