84657422 has 8 divisors (see below), whose sum is σ = 127265376. Its totient is φ = 42235632.

The previous prime is 84657421. The next prime is 84657431. The reversal of 84657422 is 22475648.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84657421) 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, 45398 + ... + 47225.

It is an arithmetic number, because the mean of its divisors is an integer number (15908172).

Almost surely, 2^84657422 is an apocalyptic number.

84657422 is a deficient number, since it is larger than the sum of its proper divisors (42607954).

84657422 is a wasteful number, since it uses less digits than its factorization.

84657422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93082.

The product of its digits is 107520, while the sum is 38.

The square root of 84657422 is about 9200.9467991071. The cubic root of 84657422 is about 439.0914828122.

The spelling of 84657422 in words is "eighty-four million, six hundred fifty-seven thousand, four hundred twenty-two".