86822445 has 16 divisors (see below), whose sum is σ = 139151232. Its totient is φ = 46226880.

The previous prime is 86822441. The next prime is 86822471. The reversal of 86822445 is 54422868.

It is not a de Polignac number, because 86822445 - 2² = 86822441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86822441) 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, 4879 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (8696952).

Almost surely, 2^86822445 is an apocalyptic number.

It is an amenable number.

86822445 is a deficient number, since it is larger than the sum of its proper divisors (52328787).

86822445 is a wasteful number, since it uses less digits than its factorization.

86822445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812.

The product of its digits is 122880, while the sum is 39.

The square root of 86822445 is about 9317.8562448666. The cubic root of 86822445 is about 442.8031183045.

The spelling of 86822445 in words is "eighty-six million, eight hundred twenty-two thousand, four hundred forty-five".