22230208 has 112 divisors (see below), whose sum is σ = 59399424. Its totient is φ = 7971840.

The previous prime is 22230149. The next prime is 22230227. The reversal of 22230208 is 80203222.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63891 + ... + 64237.

It is an arithmetic number, because the mean of its divisors is an integer number (530352).

Almost surely, 2^22230208 is an apocalyptic number.

22230208 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 22230208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29699712).

22230208 is an abundant number, since it is smaller than the sum of its proper divisors (37169216).

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

22230208 is a wasteful number, since it uses less digits than its factorization.

22230208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22230208 is about 4714.8921514707. The cubic root of 22230208 is about 281.1778950631.

The spelling of 22230208 in words is "twenty-two million, two hundred thirty thousand, two hundred eight".