8820222 has 16 divisors (see below), whose sum is σ = 17726592. Its totient is φ = 2925720.

The previous prime is 8820221. The next prime is 8820223. The reversal of 8820222 is 2220288.

It is an interprime number because it is at equal distance from previous prime (8820221) and next prime (8820223).

It is a super-2 number, since 2×8820222² = 155592632258568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8820192 and 8820201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218 + ... + 4749.

It is an arithmetic number, because the mean of its divisors is an integer number (1107912).

Almost surely, 2^8820222 is an apocalyptic number.

8820222 is an abundant number, since it is smaller than the sum of its proper divisors (8906370).

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

8820222 is a wasteful number, since it uses less digits than its factorization.

8820222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 8820222 is about 2969.8858563925. The cubic root of 8820222 is about 206.6140442967.

The spelling of 8820222 in words is "eight million, eight hundred twenty thousand, two hundred twenty-two".