82887222 has 32 divisors (see below), whose sum is σ = 182064384. Its totient is φ = 24948000.

The previous prime is 82887221. The next prime is 82887251. The reversal of 82887222 is 22278828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82887221) 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, 5808 + ... + 14124.

It is an arithmetic number, because the mean of its divisors is an integer number (5689512).

Almost surely, 2^82887222 is an apocalyptic number.

82887222 is an abundant number, since it is smaller than the sum of its proper divisors (99177162).

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

82887222 is a wasteful number, since it uses less digits than its factorization.

82887222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484.

The product of its digits is 57344, while the sum is 39.

The square root of 82887222 is about 9104.2419783308. The cubic root of 82887222 is about 436.0094090779.

The spelling of 82887222 in words is "eighty-two million, eight hundred eighty-seven thousand, two hundred twenty-two".