22223208 has 64 divisors (see below), whose sum is σ = 63936000. Its totient is φ = 6305472.

The previous prime is 22223207. The next prime is 22223219. The reversal of 22223208 is 80232222.

It is a super-2 number, since 2×22223208² = 987741947622528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22223207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29703 + ... + 30441.

It is an arithmetic number, because the mean of its divisors is an integer number (999000).

Almost surely, 2^22223208 is an apocalyptic number.

22223208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31968000).

22223208 is an abundant number, since it is smaller than the sum of its proper divisors (41712792).

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

22223208 is a wasteful number, since it uses less digits than its factorization.

22223208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22223208 is about 4714.1497642735. The cubic root of 22223208 is about 281.1483788917.

The spelling of 22223208 in words is "twenty-two million, two hundred twenty-three thousand, two hundred eight".