851596222 has 16 divisors (see below), whose sum is σ = 1285596000. Its totient is φ = 423070560.

The previous prime is 851596219. The next prime is 851596241. The reversal of 851596222 is 222695158.

It is a super-2 number, since 2×851596222² = 1450432250649346568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488272 + ... + 490012.

It is an arithmetic number, because the mean of its divisors is an integer number (80349750).

Almost surely, 2^851596222 is an apocalyptic number.

851596222 is a deficient number, since it is larger than the sum of its proper divisors (433999778).

851596222 is a wasteful number, since it uses less digits than its factorization.

851596222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171.

The product of its digits is 86400, while the sum is 40.

The square root of 851596222 is about 29182.1216158113. The cubic root of 851596222 is about 947.8608273385.

The spelling of 851596222 in words is "eight hundred fifty-one million, five hundred ninety-six thousand, two hundred twenty-two".