8357422 has 4 divisors (see below), whose sum is σ = 12536136. Its totient is φ = 4178710.

The previous prime is 8357417. The next prime is 8357429. The reversal of 8357422 is 2247538.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8357429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2089354 + ... + 2089357.

It is an arithmetic number, because the mean of its divisors is an integer number (3134034).

Almost surely, 2^8357422 is an apocalyptic number.

8357422 is a deficient number, since it is larger than the sum of its proper divisors (4178714).

8357422 is a wasteful number, since it uses less digits than its factorization.

8357422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178713.

The product of its digits is 13440, while the sum is 31.

The square root of 8357422 is about 2890.9206146140. The cubic root of 8357422 is about 202.9352281077.

The spelling of 8357422 in words is "eight million, three hundred fifty-seven thousand, four hundred twenty-two".