84192225 has 24 divisors (see below), whose sum is σ = 149907072. Its totient is φ = 41448000.

The previous prime is 84192223. The next prime is 84192239. The reversal of 84192225 is 52229148.

It is not a de Polignac number, because 84192225 - 2¹ = 84192223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84192223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42201 + ... + 44150.

It is an arithmetic number, because the mean of its divisors is an integer number (6246128).

Almost surely, 2^84192225 is an apocalyptic number.

It is an amenable number.

84192225 is a deficient number, since it is larger than the sum of its proper divisors (65714847).

84192225 is a wasteful number, since it uses less digits than its factorization.

84192225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86377 (or 86372 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 84192225 is about 9175.6321308126. The cubic root of 84192225 is about 438.2857281627.

The spelling of 84192225 in words is "eighty-four million, one hundred ninety-two thousand, two hundred twenty-five".