8455722 has 48 divisors (see below), whose sum is σ = 19598880. Its totient is φ = 2423520.

The previous prime is 8455691. The next prime is 8455729. The reversal of 8455722 is 2275548.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8455729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13488 + ... + 14100.

It is an arithmetic number, because the mean of its divisors is an integer number (408310).

Almost surely, 2^8455722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8455722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9799440).

8455722 is an abundant number, since it is smaller than the sum of its proper divisors (11143158).

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

8455722 is a wasteful number, since it uses less digits than its factorization.

8455722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 648 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 8455722 is about 2907.8724181092. The cubic root of 8455722 is about 203.7277702923.

The spelling of 8455722 in words is "eight million, four hundred fifty-five thousand, seven hundred twenty-two".