22200822 has 36 divisors (see below), whose sum is σ = 55957356. Its totient is φ = 6342840.

The previous prime is 22200821. The next prime is 22200823. The reversal of 22200822 is 22800222.

It is an interprime number because it is at equal distance from previous prime (22200821) and next prime (22200823).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22200795 and 22200804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11704 + ... + 13467.

It is an arithmetic number, because the mean of its divisors is an integer number (1554371).

Almost surely, 2^22200822 is an apocalyptic number.

22200822 is an abundant number, since it is smaller than the sum of its proper divisors (33756534).

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

22200822 is a wasteful number, since it uses less digits than its factorization.

22200822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25193 (or 25183 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22200822 is about 4711.7748248404. The cubic root of 22200822 is about 281.0539445494.

The spelling of 22200822 in words is "twenty-two million, two hundred thousand, eight hundred twenty-two".