82227918 has 8 divisors (see below), whose sum is σ = 164455848. Its totient is φ = 27409304.

The previous prime is 82227913. The next prime is 82227923. The reversal of 82227918 is 81972228.

It is an interprime number because it is at equal distance from previous prime (82227913) and next prime (82227923).

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

82227918 is an admirable number.

It is a super-2 number, since 2×82227918² = 13522860997229448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82227913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852321 + ... + 6852332.

It is an arithmetic number, because the mean of its divisors is an integer number (20556981).

Almost surely, 2^82227918 is an apocalyptic number.

82227918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82227918 is a wasteful number, since it uses less digits than its factorization.

82227918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704658.

The product of its digits is 32256, while the sum is 39.

The square root of 82227918 is about 9067.9610718176. The cubic root of 82227918 is about 434.8502906673.

The spelling of 82227918 in words is "eighty-two million, two hundred twenty-seven thousand, nine hundred eighteen".