84222030 has 32 divisors (see below), whose sum is σ = 202665888. Its totient is φ = 22400000.

The previous prime is 84221989. The next prime is 84222037. The reversal of 84222030 is 3022248.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84221988 and 84222006.

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 15 ways as a sum of consecutive naturals, for example, 8530 + ... + 15530.

It is an arithmetic number, because the mean of its divisors is an integer number (6333309).

Almost surely, 2^84222030 is an apocalyptic number.

84222030 is an abundant number, since it is smaller than the sum of its proper divisors (118443858).

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

84222030 is a wasteful number, since it uses less digits than its factorization.

84222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 84222030 is about 9177.2561258799. The cubic root of 84222030 is about 438.3374414293.

Adding to 84222030 its reverse (3022248), we get a palindrome (87244278).

The spelling of 84222030 in words is "eighty-four million, two hundred twenty-two thousand, thirty".