864347226 has 32 divisors (see below), whose sum is σ = 1754016768. Its totient is φ = 283913520.

The previous prime is 864347203. The next prime is 864347243. The reversal of 864347226 is 622743468.

It is a super-2 number, since 2×864347226² = 1494192254187790152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212625 + ... + 216651.

It is an arithmetic number, because the mean of its divisors is an integer number (54813024).

Almost surely, 2^864347226 is an apocalyptic number.

864347226 is an abundant number, since it is smaller than the sum of its proper divisors (889669542).

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

864347226 is a wasteful number, since it uses less digits than its factorization.

864347226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546.

The product of its digits is 387072, while the sum is 42.

The square root of 864347226 is about 29399.7827542994. The cubic root of 864347226 is about 952.5682036570.

The spelling of 864347226 in words is "eight hundred sixty-four million, three hundred forty-seven thousand, two hundred twenty-six".