8222428 has 24 divisors (see below), whose sum is σ = 15104880. Its totient is φ = 3911040.

The previous prime is 8222419. The next prime is 8222437. The reversal of 8222428 is 8242228.

It is an interprime number because it is at equal distance from previous prime (8222419) and next prime (8222437).

It is a junction number, because it is equal to n+sod(n) for n = 8222396 and 8222405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7983 + ... + 8953.

It is an arithmetic number, because the mean of its divisors is an integer number (629370).

Almost surely, 2^8222428 is an apocalyptic number.

It is an amenable number.

8222428 is a deficient number, since it is larger than the sum of its proper divisors (6882452).

8222428 is a wasteful number, since it uses less digits than its factorization.

8222428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 8222428 is about 2867.4776372275. The cubic root of 8222428 is about 201.8366486460.

The spelling of 8222428 in words is "eight million, two hundred twenty-two thousand, four hundred twenty-eight".