84612222 has 16 divisors (see below), whose sum is σ = 188027280. Its totient is φ = 28204056.

The previous prime is 84612181. The next prime is 84612257. The reversal of 84612222 is 22221648.

It is a happy number.

It is a super-2 number, since 2×84612222² = 14318456223554568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783393 + ... + 783500.

It is an arithmetic number, because the mean of its divisors is an integer number (11751705).

Almost surely, 2^84612222 is an apocalyptic number.

84612222 is an abundant number, since it is smaller than the sum of its proper divisors (103415058).

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

84612222 is a wasteful number, since it uses less digits than its factorization.

84612222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566904 (or 1566898 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 84612222 is about 9198.4902022017. The cubic root of 84612222 is about 439.0133228280.

The spelling of 84612222 in words is "eighty-four million, six hundred twelve thousand, two hundred twenty-two".