274621223 has 4 divisors (see below), whose sum is σ = 279275880. Its totient is φ = 269966568.

The previous prime is 274621211. The next prime is 274621229. The reversal of 274621223 is 322126472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 274621223 - 2⁸ = 274620967 is a prime.

It is a super-2 number, since 2×274621223² = 150833632244031458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274621229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327240 + ... + 2327357.

It is an arithmetic number, because the mean of its divisors is an integer number (69818970).

Almost surely, 2^274621223 is an apocalyptic number.

274621223 is a deficient number, since it is larger than the sum of its proper divisors (4654657).

274621223 is an equidigital number, since it uses as much as digits as its factorization.

274621223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654656.

The product of its digits is 8064, while the sum is 29.

The square root of 274621223 is about 16571.6994602243. The cubic root of 274621223 is about 649.9970201047.

Adding to 274621223 its reverse (322126472), we get a palindrome (596747695).

The spelling of 274621223 in words is "two hundred seventy-four million, six hundred twenty-one thousand, two hundred twenty-three".