8426322 has 64 divisors (see below), whose sum is σ = 20269440. Its totient is φ = 2585088.

The previous prime is 8426287. The next prime is 8426381. The reversal of 8426322 is 2236248.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61438 + ... + 61574.

It is an arithmetic number, because the mean of its divisors is an integer number (316710).

Almost surely, 2^8426322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8426322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10134720).

8426322 is an abundant number, since it is smaller than the sum of its proper divisors (11843118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8426322 is a wasteful number, since it uses less digits than its factorization.

8426322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 8426322 is about 2902.8127738454. The cubic root of 8426322 is about 203.4913800034.

It can be divided in two parts, 8426 and 322, that multiplied together give a palindrome (2713172).

The spelling of 8426322 in words is "eight million, four hundred twenty-six thousand, three hundred twenty-two".