22226460 has 24 divisors (see below), whose sum is σ = 62234256. Its totient is φ = 5927040.

The previous prime is 22226453. The next prime is 22226461. The reversal of 22226460 is 6462222.

It is a self number, because there is not a number n which added to its sum of digits gives 22226460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226461) 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 7 ways as a sum of consecutive naturals, for example, 185161 + ... + 185280.

It is an arithmetic number, because the mean of its divisors is an integer number (2593094).

Almost surely, 2^22226460 is an apocalyptic number.

22226460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22226460 is an abundant number, since it is smaller than the sum of its proper divisors (40007796).

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

22226460 is a wasteful number, since it uses less digits than its factorization.

22226460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370453 (or 370451 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 22226460 is about 4714.4946706938. The cubic root of 22226460 is about 281.1620920324.

Adding to 22226460 its reverse (6462222), we get a palindrome (28688682).

The spelling of 22226460 in words is "twenty-two million, two hundred twenty-six thousand, four hundred sixty".