850885225 has 12 divisors (see below), whose sum is σ = 1055463696. Its totient is φ = 680472080.

The previous prime is 850885187. The next prime is 850885249. The reversal of 850885225 is 522588058.

It is not a de Polignac number, because 850885225 - 2¹³ = 850877033 is a prime.

It is a super-2 number, since 2×850885225² = 1448011332246601250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121674 + ... + 128476.

It is an arithmetic number, because the mean of its divisors is an integer number (87955308).

Almost surely, 2^850885225 is an apocalyptic number.

It is an amenable number.

850885225 is a deficient number, since it is larger than the sum of its proper divisors (204578471).

850885225 is a wasteful number, since it uses less digits than its factorization.

850885225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11816 (or 11811 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 43.

The square root of 850885225 is about 29169.9370071312. The cubic root of 850885225 is about 947.5969644780.

The spelling of 850885225 in words is "eight hundred fifty million, eight hundred eighty-five thousand, two hundred twenty-five".