85155226 has 32 divisors (see below), whose sum is σ = 145635840. Its totient is φ = 37018944.

The previous prime is 85155197. The next prime is 85155229. The reversal of 85155226 is 62255158.

It is a super-2 number, since 2×85155226² = 14502825030222152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85155191 and 85155200.

It is not an unprimeable number, because it can be changed into a prime (85155229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109776 + ... + 110548.

It is an arithmetic number, because the mean of its divisors is an integer number (4551120).

Almost surely, 2^85155226 is an apocalyptic number.

85155226 is a deficient number, since it is larger than the sum of its proper divisors (60480614).

85155226 is a wasteful number, since it uses less digits than its factorization.

85155226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its digits is 24000, while the sum is 34.

The square root of 85155226 is about 9227.9589292541. The cubic root of 85155226 is about 439.9504524097.

The spelling of 85155226 in words is "eighty-five million, one hundred fifty-five thousand, two hundred twenty-six".