274920223 has 4 divisors (see below), whose sum is σ = 275022000. Its totient is φ = 274818448.

The previous prime is 274920221. The next prime is 274920227. The reversal of 274920223 is 322029472.

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 274920223 - 2¹ = 274920221 is a prime.

It is a super-2 number, since 2×274920223² = 151162258028739458, 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 (274920221) 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, 46723 + ... + 52276.

It is an arithmetic number, because the mean of its divisors is an integer number (68755500).

Almost surely, 2^274920223 is an apocalyptic number.

274920223 is a deficient number, since it is larger than the sum of its proper divisors (101777).

274920223 is an equidigital number, since it uses as much as digits as its factorization.

274920223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101776.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 274920223 is about 16580.7184102499. The cubic root of 274920223 is about 650.2328341416.

Adding to 274920223 its reverse (322029472), we get a palindrome (596949695).

The spelling of 274920223 in words is "two hundred seventy-four million, nine hundred twenty thousand, two hundred twenty-three".