274440231 has 40 divisors (see below), whose sum is σ = 467503344. Its totient is φ = 158941440.

The previous prime is 274440193. The next prime is 274440251. The reversal of 274440231 is 132044472.

It is not a de Polignac number, because 274440231 - 2⁹ = 274439719 is a prime.

It is a super-2 number, since 2×274440231² = 150634880782666722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 274440195 and 274440204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274440251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10236 + ... + 25566.

Almost surely, 2^274440231 is an apocalyptic number.

274440231 is a deficient number, since it is larger than the sum of its proper divisors (193063113).

274440231 is a wasteful number, since it uses less digits than its factorization.

274440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15373 (or 15364 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 274440231 is about 16566.2376839160. The cubic root of 274440231 is about 649.8541929362.

The spelling of 274440231 in words is "two hundred seventy-four million, four hundred forty thousand, two hundred thirty-one".