84222252 has 18 divisors (see below), whose sum is σ = 212895228. Its totient is φ = 28074072.

The previous prime is 84222227. The next prime is 84222253. The reversal of 84222252 is 25222248.

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

It is not an unprimeable number, because it can be changed into a prime (84222253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1169718 + ... + 1169789.

Almost surely, 2^84222252 is an apocalyptic number.

It is an amenable number.

84222252 is an abundant number, since it is smaller than the sum of its proper divisors (128672976).

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

84222252 is a wasteful number, since it uses less digits than its factorization.

84222252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339517 (or 2339512 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 84222252 is about 9177.2682209904. The cubic root of 84222252 is about 438.3378265654.

The spelling of 84222252 in words is "eighty-four million, two hundred twenty-two thousand, two hundred fifty-two".