84271222 has 16 divisors (see below), whose sum is σ = 144587520. Its totient is φ = 36085608.

The previous prime is 84271211. The next prime is 84271223. The reversal of 84271222 is 22217248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84271223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24229 + ... + 27487.

It is an arithmetic number, because the mean of its divisors is an integer number (9036720).

Almost surely, 2^84271222 is an apocalyptic number.

84271222 is a deficient number, since it is larger than the sum of its proper divisors (60316298).

84271222 is a wasteful number, since it uses less digits than its factorization.

84271222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115.

The product of its digits is 3584, while the sum is 28.

The square root of 84271222 is about 9179.9358385557. The cubic root of 84271222 is about 438.4227654976.

The spelling of 84271222 in words is "eighty-four million, two hundred seventy-one thousand, two hundred twenty-two".