86522 has 4 divisors (see below), whose sum is σ = 129786. Its totient is φ = 43260.

The previous prime is 86509. The next prime is 86531. The reversal of 86522 is 22568.

It is a happy number.

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., 72361 + 14161 = 269^2 + 119^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21629 + ... + 21632.

2⁸⁶⁵²² is an apocalyptic number.

86522 is a deficient number, since it is larger than the sum of its proper divisors (43264).

86522 is a wasteful number, since it uses less digits than its factorization.

86522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43263.

The product of its digits is 960, while the sum is 23.

The square root of 86522 is about 294.1462221413. The cubic root of 86522 is about 44.2291761532.

The spelling of 86522 in words is "eighty-six thousand, five hundred twenty-two".