84022236 has 18 divisors (see below), whose sum is σ = 212389632. Its totient is φ = 28007400.

The previous prime is 84022223. The next prime is 84022241. The reversal of 84022236 is 63222048.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×84022236² = 14119472284879392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1166940 + ... + 1167011.

It is an arithmetic number, because the mean of its divisors is an integer number (11799424).

Almost surely, 2^84022236 is an apocalyptic number.

It is an amenable number.

84022236 is an abundant number, since it is smaller than the sum of its proper divisors (128367396).

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

84022236 is a wasteful number, since it uses less digits than its factorization.

84022236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333961 (or 2333956 counting only the distinct ones).

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

The square root of 84022236 is about 9166.3643828947. The cubic root of 84022236 is about 437.9905546221.

The spelling of 84022236 in words is "eighty-four million, twenty-two thousand, two hundred thirty-six".