84222250 has 128 divisors (see below), whose sum is σ = 202176000. Its totient is φ = 25574400.

The previous prime is 84222227. The next prime is 84222253. The reversal of 84222250 is 5222248.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 63 ways as a sum of consecutive naturals, for example, 565176 + ... + 565324.

It is an arithmetic number, because the mean of its divisors is an integer number (1579500).

Almost surely, 2^84222250 is an apocalyptic number.

84222250 is an abundant number, since it is smaller than the sum of its proper divisors (117953750).

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

84222250 is a wasteful number, since it uses less digits than its factorization.

84222250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 84222250 is about 9177.2681120255. The cubic root of 84222250 is about 438.3378230957.

Adding to 84222250 its reverse (5222248), we get a palindrome (89444498).

The spelling of 84222250 in words is "eighty-four million, two hundred twenty-two thousand, two hundred fifty".