86998222 has 8 divisors (see below), whose sum is σ = 133274016. Its totient is φ = 42573552.

The previous prime is 86998201. The next prime is 86998243. The reversal of 86998222 is 22289968.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86998201) and next prime (86998243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×86998222³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462663 + ... + 462850.

It is an arithmetic number, because the mean of its divisors is an integer number (16659252).

Almost surely, 2^86998222 is an apocalyptic number.

86998222 is a deficient number, since it is larger than the sum of its proper divisors (46275794).

86998222 is a wasteful number, since it uses less digits than its factorization.

86998222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925562.

The product of its digits is 248832, while the sum is 46.

The square root of 86998222 is about 9327.2837417975. The cubic root of 86998222 is about 443.1017436037.

The spelling of 86998222 in words is "eighty-six million, nine hundred ninety-eight thousand, two hundred twenty-two".