84224422 has 4 divisors (see below), whose sum is σ = 126336636. Its totient is φ = 42112210.

The previous prime is 84224419. The next prime is 84224431. The reversal of 84224422 is 22442248.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×84224422² = 14187506522468168, 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 as a sum of consecutive naturals, namely, 21056104 + ... + 21056107.

It is an arithmetic number, because the mean of its divisors is an integer number (31584159).

Almost surely, 2^84224422 is an apocalyptic number.

84224422 is a deficient number, since it is larger than the sum of its proper divisors (42112214).

84224422 is a wasteful number, since it uses less digits than its factorization.

84224422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42112213.

The product of its digits is 8192, while the sum is 28.

The square root of 84224422 is about 9177.3864471319. The cubic root of 84224422 is about 438.3415911482.

The spelling of 84224422 in words is "eighty-four million, two hundred twenty-four thousand, four hundred twenty-two".