774669222 has 24 divisors (see below), whose sum is σ = 1723814976. Its totient is φ = 251243856.

The previous prime is 774669179. The next prime is 774669223. The reversal of 774669222 is 222966477.

It is a super-2 number, since 2×774669222² = 1200224807028170568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774669223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580918 + ... + 582249.

It is an arithmetic number, because the mean of its divisors is an integer number (71825624).

Almost surely, 2^774669222 is an apocalyptic number.

774669222 is an abundant number, since it is smaller than the sum of its proper divisors (949145754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774669222 is a wasteful number, since it uses less digits than its factorization.

774669222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163212 (or 1163209 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 774669222 is about 27832.8802318409. The cubic root of 774669222 is about 918.4145748756.

The spelling of 774669222 in words is "seven hundred seventy-four million, six hundred sixty-nine thousand, two hundred twenty-two".