84429422 has 16 divisors (see below), whose sum is σ = 157894272. Its totient is φ = 32894520.

The previous prime is 84429377. The next prime is 84429427. The reversal of 84429422 is 22492448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84429427) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 273968 + ... + 274275.

It is an arithmetic number, because the mean of its divisors is an integer number (9868392).

Almost surely, 2^84429422 is an apocalyptic number.

84429422 is a deficient number, since it is larger than the sum of its proper divisors (73464850).

84429422 is a wasteful number, since it uses less digits than its factorization.

84429422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548263.

The product of its digits is 36864, while the sum is 35.

The square root of 84429422 is about 9188.5484163713. The cubic root of 84429422 is about 438.6969402533.

The spelling of 84429422 in words is "eighty-four million, four hundred twenty-nine thousand, four hundred twenty-two".