22253460 has 24 divisors (see below), whose sum is σ = 62309856. Its totient is φ = 5934240.

The previous prime is 22253437. The next prime is 22253501. The reversal of 22253460 is 6435222.

It is a self number, because there is not a number n which added to its sum of digits gives 22253460.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 185386 + ... + 185505.

It is an arithmetic number, because the mean of its divisors is an integer number (2596244).

Almost surely, 2^22253460 is an apocalyptic number.

22253460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22253460 is an abundant number, since it is smaller than the sum of its proper divisors (40056396).

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

22253460 is a wasteful number, since it uses less digits than its factorization.

22253460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370903 (or 370901 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22253460 is about 4717.3573110376. The cubic root of 22253460 is about 281.2758948997.

Adding to 22253460 its reverse (6435222), we get a palindrome (28688682).

The spelling of 22253460 in words is "twenty-two million, two hundred fifty-three thousand, four hundred sixty".