84022012 has 6 divisors (see below), whose sum is σ = 147038528. Its totient is φ = 42011004.

The previous prime is 84021991. The next prime is 84022021. The reversal of 84022012 is 21022048.

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, 10502748 + ... + 10502755.

Almost surely, 2^84022012 is an apocalyptic number.

It is an amenable number.

84022012 is a deficient number, since it is larger than the sum of its proper divisors (63016516).

84022012 is a wasteful number, since it uses less digits than its factorization.

84022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005507 (or 21005505 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 84022012 is about 9166.3521643018. The cubic root of 84022012 is about 437.9901653999.

The spelling of 84022012 in words is "eighty-four million, twenty-two thousand, twelve".