86220441 has 12 divisors (see below), whose sum is σ = 125941140. Its totient is φ = 56833920.

The previous prime is 86220437. The next prime is 86220443. The reversal of 86220441 is 14402268.

It can be written as a sum of positive squares in 2 ways, for example, as 17264025 + 68956416 = 4155^2 + 8304^2 .

It is not a de Polignac number, because 86220441 - 2² = 86220437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86220443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53020 + ... + 54621.

It is an arithmetic number, because the mean of its divisors is an integer number (10495095).

Almost surely, 2^86220441 is an apocalyptic number.

It is an amenable number.

86220441 is a deficient number, since it is larger than the sum of its proper divisors (39720699).

86220441 is a wasteful number, since it uses less digits than its factorization.

86220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107736 (or 107733 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 86220441 is about 9285.4962710670. The cubic root of 86220441 is about 441.7773169702. Note that the first 3 decimals are identical.

The spelling of 86220441 in words is "eighty-six million, two hundred twenty thousand, four hundred forty-one".