274222351665 has 32 divisors (see below), whose sum is σ = 493379994240. Its totient is φ = 144489843648.

The previous prime is 274222351661. The next prime is 274222351679. The reversal of 274222351665 is 566153222472.

274222351665 is a `hidden beast` number, since 2 + 74 + 2 + 2 + 2 + 3 + 516 + 65 = 666.

It is not a de Polignac number, because 274222351665 - 2² = 274222351661 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 274222351665.

It is not an unprimeable number, because it can be changed into a prime (274222351661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12225402 + ... + 12247811.

It is an arithmetic number, because the mean of its divisors is an integer number (15418124820).

Almost surely, 2^274222351665 is an apocalyptic number.

It is an amenable number.

274222351665 is a deficient number, since it is larger than the sum of its proper divisors (219157642575).

274222351665 is a wasteful number, since it uses less digits than its factorization.

274222351665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473310 (or 24473304 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 274222351665 in words is "two hundred seventy-four billion, two hundred twenty-two million, three hundred fifty-one thousand, six hundred sixty-five".