84401222 has 4 divisors (see below), whose sum is σ = 126601836. Its totient is φ = 42200610.

The previous prime is 84401197. The next prime is 84401227. The reversal of 84401222 is 22210448.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84401227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100304 + ... + 21100307.

It is an arithmetic number, because the mean of its divisors is an integer number (31650459).

Almost surely, 2^84401222 is an apocalyptic number.

84401222 is a deficient number, since it is larger than the sum of its proper divisors (42200614).

84401222 is a wasteful number, since it uses less digits than its factorization.

84401222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42200613.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 84401222 is about 9187.0137694465. The cubic root of 84401222 is about 438.6480922292.

The spelling of 84401222 in words is "eighty-four million, four hundred one thousand, two hundred twenty-two".