22401210 has 64 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 5429760.

The previous prime is 22401193. The next prime is 22401217. The reversal of 22401210 is 1210422.

It is not an unprimeable number, because it can be changed into a prime (22401217) 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 31 ways as a sum of consecutive naturals, for example, 27286 + ... + 28094.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 2^22401210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22401210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29393280).

22401210 is an abundant number, since it is smaller than the sum of its proper divisors (36385350).

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

22401210 is a wasteful number, since it uses less digits than its factorization.

22401210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22401210 is about 4732.9916543345. The cubic root of 22401210 is about 281.8970249242.

Adding to 22401210 its reverse (1210422), we get a palindrome (23611632).

The spelling of 22401210 in words is "twenty-two million, four hundred one thousand, two hundred ten".