84612223 has 4 divisors (see below), whose sum is σ = 85875160. Its totient is φ = 83349288.

The previous prime is 84612181. The next prime is 84612257. The reversal of 84612223 is 32221648.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84612223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84612191 and 84612200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84612293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631368 + ... + 631501.

It is an arithmetic number, because the mean of its divisors is an integer number (21468790).

Almost surely, 2^84612223 is an apocalyptic number.

84612223 is a deficient number, since it is larger than the sum of its proper divisors (1262937).

84612223 is a wasteful number, since it uses less digits than its factorization.

84612223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262936.

The product of its digits is 4608, while the sum is 28.

The square root of 84612223 is about 9198.4902565584. The cubic root of 84612223 is about 439.0133245576.

The spelling of 84612223 in words is "eighty-four million, six hundred twelve thousand, two hundred twenty-three".