8920422 has 32 divisors (see below), whose sum is σ = 22656000. Its totient is φ = 2548584.

The previous prime is 8920403. The next prime is 8920423. The reversal of 8920422 is 2240298.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8920423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11422 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (708000).

Almost surely, 2^8920422 is an apocalyptic number.

8920422 is an abundant number, since it is smaller than the sum of its proper divisors (13735578).

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

8920422 is a wasteful number, since it uses less digits than its factorization.

8920422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23617 (or 23611 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8920422 is about 2986.7075518035. The cubic root of 8920422 is about 207.3934964160.

The spelling of 8920422 in words is "eight million, nine hundred twenty thousand, four hundred twenty-two".