274398219 has 8 divisors (see below), whose sum is σ = 406515920. Its totient is φ = 182932128.

The previous prime is 274398217. The next prime is 274398263. The reversal of 274398219 is 912893472.

It is not a de Polignac number, because 274398219 - 2¹ = 274398217 is a prime.

It is a super-2 number, since 2×274398219² = 150588765180743922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274398217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081422 + ... + 5081475.

It is an arithmetic number, because the mean of its divisors is an integer number (50814490).

Almost surely, 2^274398219 is an apocalyptic number.

274398219 is a deficient number, since it is larger than the sum of its proper divisors (132117701).

274398219 is a wasteful number, since it uses less digits than its factorization.

274398219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10162906 (or 10162900 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 274398219 is about 16564.9696347443. The cubic root of 274398219 is about 649.8210308065.

The spelling of 274398219 in words is "two hundred seventy-four million, three hundred ninety-eight thousand, two hundred nineteen".