226664243579 has 2 divisors, whose sum is σ = 226664243580. Its totient is φ = 226664243578.

The previous prime is 226664243489. The next prime is 226664243621. The reversal of 226664243579 is 975342466622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226664243579 - 2²⁸ = 226395808123 is a prime.

It is not a weakly prime, because it can be changed into another prime (226664243279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113332121789 + 113332121790.

It is an arithmetic number, because the mean of its divisors is an integer number (113332121790).

Almost surely, 2^226664243579 is an apocalyptic number.

226664243579 is a deficient number, since it is larger than the sum of its proper divisors (1).

226664243579 is an equidigital number, since it uses as much as digits as its factorization.

226664243579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 56.

The spelling of 226664243579 in words is "two hundred twenty-six billion, six hundred sixty-four million, two hundred forty-three thousand, five hundred seventy-nine".