84472222 has 4 divisors (see below), whose sum is σ = 126708336. Its totient is φ = 42236110.

The previous prime is 84472211. The next prime is 84472231. The reversal of 84472222 is 22227448.

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

It is a congruent number.

It is an unprimeable number.

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, 21118054 + ... + 21118057.

It is an arithmetic number, because the mean of its divisors is an integer number (31677084).

Almost surely, 2^84472222 is an apocalyptic number.

84472222 is a deficient number, since it is larger than the sum of its proper divisors (42236114).

84472222 is a wasteful number, since it uses less digits than its factorization.

84472222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42236113.

The product of its digits is 14336, while the sum is 31.

The square root of 84472222 is about 9190.8771072189. The cubic root of 84472222 is about 438.7710576117.

The spelling of 84472222 in words is "eighty-four million, four hundred seventy-two thousand, two hundred twenty-two".