774220231 has 8 divisors (see below), whose sum is σ = 777770000. Its totient is φ = 770679360.

The previous prime is 774220217. The next prime is 774220253. The reversal of 774220231 is 132022477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 774220231 - 2⁵ = 774220199 is a prime.

It is a super-2 number, since 2×774220231² = 1198833932179386722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 774220231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774230231) 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, 219520 + ... + 223018.

It is an arithmetic number, because the mean of its divisors is an integer number (97221250).

Almost surely, 2^774220231 is an apocalyptic number.

774220231 is a deficient number, since it is larger than the sum of its proper divisors (3549769).

774220231 is a wasteful number, since it uses less digits than its factorization.

774220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 774220231 is about 27824.8132248898. The cubic root of 774220231 is about 918.2371057662.

The spelling of 774220231 in words is "seven hundred seventy-four million, two hundred twenty thousand, two hundred thirty-one".