274223669 has 2 divisors, whose sum is σ = 274223670. Its totient is φ = 274223668.

The previous prime is 274223659. The next prime is 274223683. The reversal of 274223669 is 966322472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271821169 + 2402500 = 16487^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 274223669 - 2²⁸ = 5788213 is a prime.

It is a super-2 number, since 2×274223669² = 150397241279643122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_14928782 and since 274223669 and 14928782 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274223639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137111834 + 137111835.

It is an arithmetic number, because the mean of its divisors is an integer number (137111835).

Almost surely, 2^274223669 is an apocalyptic number.

It is an amenable number.

274223669 is a deficient number, since it is larger than the sum of its proper divisors (1).

274223669 is an equidigital number, since it uses as much as digits as its factorization.

274223669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 274223669 is about 16559.7001482515. The cubic root of 274223669 is about 649.6832136823.

The spelling of 274223669 in words is "two hundred seventy-four million, two hundred twenty-three thousand, six hundred sixty-nine".