851063226 has 64 divisors (see below), whose sum is σ = 1869557760. Its totient is φ = 256697280.

The previous prime is 851063209. The next prime is 851063249. The reversal of 851063226 is 622360158.

It is a super-2 number, since 2×851063226² = 1448617229299054152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323261 + ... + 1323903.

It is an arithmetic number, because the mean of its divisors is an integer number (29211840).

Almost surely, 2^851063226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 851063226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934778880).

851063226 is an abundant number, since it is smaller than the sum of its proper divisors (1018494534).

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

851063226 is a wasteful number, since it uses less digits than its factorization.

851063226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 851063226 is about 29172.9879511853. The cubic root of 851063226 is about 947.6630374108.

The spelling of 851063226 in words is "eight hundred fifty-one million, sixty-three thousand, two hundred twenty-six".