84222036 has 72 divisors (see below), whose sum is σ = 223327104. Its totient is φ = 26732160.

The previous prime is 84221989. The next prime is 84222037. The reversal of 84222036 is 63022248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84222037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62805 + ... + 64131.

Almost surely, 2^84222036 is an apocalyptic number.

84222036 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84222036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111663552).

84222036 is an abundant number, since it is smaller than the sum of its proper divisors (139105068).

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

84222036 is a wasteful number, since it uses less digits than its factorization.

84222036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 84222036 is about 9177.2564527750. The cubic root of 84222036 is about 438.3374518384.

The spelling of 84222036 in words is "eighty-four million, two hundred twenty-two thousand, thirty-six".