872518226 has 8 divisors (see below), whose sum is σ = 1308912204. Its totient is φ = 436214160.

The previous prime is 872518177. The next prime is 872518249. The reversal of 872518226 is 622815278.

It can be written as a sum of positive squares in 2 ways, for example, as 869955025 + 2563201 = 29495^2 + 1601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×872518226² = 1522576109404374152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12956 + ... + 43736.

Almost surely, 2^872518226 is an apocalyptic number.

872518226 is a deficient number, since it is larger than the sum of its proper divisors (436393978).

872518226 is a wasteful number, since it uses less digits than its factorization.

872518226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44956.

The product of its digits is 107520, while the sum is 41.

The square root of 872518226 is about 29538.4194905550. The cubic root of 872518226 is about 955.5604564548.

The spelling of 872518226 in words is "eight hundred seventy-two million, five hundred eighteen thousand, two hundred twenty-six".