85556122 has 4 divisors (see below), whose sum is σ = 128334186. Its totient is φ = 42778060.

The previous prime is 85556117. The next prime is 85556123. The reversal of 85556122 is 22165558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70879561 + 14676561 = 8419^2 + 3831^2 .

It is not an unprimeable number, because it can be changed into a prime (85556123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21389029 + ... + 21389032.

Almost surely, 2^85556122 is an apocalyptic number.

85556122 is a deficient number, since it is larger than the sum of its proper divisors (42778064).

85556122 is a wasteful number, since it uses less digits than its factorization.

85556122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42778063.

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

The square root of 85556122 is about 9249.6552368183. The cubic root of 85556122 is about 440.6397752167.

The spelling of 85556122 in words is "eighty-five million, five hundred fifty-six thousand, one hundred twenty-two".