84722267 has 16 divisors (see below), whose sum is σ = 100827072. Its totient is φ = 69672960.

The previous prime is 84722263. The next prime is 84722291. The reversal of 84722267 is 76222748.

It is a happy number.

It is not a de Polignac number, because 84722267 - 2² = 84722263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84722267.

It is not an unprimeable number, because it can be changed into a prime (84722263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16667 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (6301692).

Almost surely, 2^84722267 is an apocalyptic number.

84722267 is a deficient number, since it is larger than the sum of its proper divisors (16104805).

84722267 is a wasteful number, since it uses less digits than its factorization.

84722267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598.

The product of its digits is 75264, while the sum is 38.

The square root of 84722267 is about 9204.4699467161. The cubic root of 84722267 is about 439.2035644223.

The spelling of 84722267 in words is "eighty-four million, seven hundred twenty-two thousand, two hundred sixty-seven".