774220052 has 24 divisors (see below), whose sum is σ = 1458109800. Its totient is φ = 358364160.

The previous prime is 774220039. The next prime is 774220081. The reversal of 774220052 is 250022477.

It can be written as a sum of positive squares in 4 ways, for example, as 261016336 + 513203716 = 16156^2 + 22654^2 .

It is a super-3 number, since 3×774220052³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 774219997 and 774220024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89177 + ... + 97472.

It is an arithmetic number, because the mean of its divisors is an integer number (60754575).

Almost surely, 2^774220052 is an apocalyptic number.

It is an amenable number.

774220052 is a deficient number, since it is larger than the sum of its proper divisors (683889748).

774220052 is a wasteful number, since it uses less digits than its factorization.

774220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186731 (or 186729 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 774220052 is about 27824.8100083361. The cubic root of 774220052 is about 918.2370350006.

The spelling of 774220052 in words is "seven hundred seventy-four million, two hundred twenty thousand, fifty-two".