274963221 has 32 divisors (see below), whose sum is σ = 440576640. Its totient is φ = 168480000.

The previous prime is 274963217. The next prime is 274963223. The reversal of 274963221 is 122369472.

It is not a de Polignac number, because 274963221 - 2² = 274963217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274963223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86541 + ... + 89661.

It is an arithmetic number, because the mean of its divisors is an integer number (13768020).

Almost surely, 2^274963221 is an apocalyptic number.

It is an amenable number.

274963221 is a deficient number, since it is larger than the sum of its proper divisors (165613419).

274963221 is a wasteful number, since it uses less digits than its factorization.

274963221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394 (or 3388 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 274963221 is about 16582.0149861228. The cubic root of 274963221 is about 650.2667315557.

The spelling of 274963221 in words is "two hundred seventy-four million, nine hundred sixty-three thousand, two hundred twenty-one".