84772219 has 8 divisors (see below), whose sum is σ = 98329088. Its totient is φ = 71577000.

The previous prime is 84772213. The next prime is 84772223. The reversal of 84772219 is 91227748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84772219 - 2³ = 84772211 is a prime.

It is a super-2 number, since 2×84772219² = 14372658228367922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84772211) 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, 89907 + ... + 90844.

It is an arithmetic number, because the mean of its divisors is an integer number (12291136).

Almost surely, 2^84772219 is an apocalyptic number.

84772219 is a deficient number, since it is larger than the sum of its proper divisors (13556869).

84772219 is a wasteful number, since it uses less digits than its factorization.

84772219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180825.

The product of its digits is 56448, while the sum is 40.

The square root of 84772219 is about 9207.1830111061. The cubic root of 84772219 is about 439.2898651745.

The spelling of 84772219 in words is "eighty-four million, seven hundred seventy-two thousand, two hundred nineteen".