22061460 has 96 divisors (see below), whose sum is σ = 66124800. Its totient is φ = 5483520.

The previous prime is 22061453. The next prime is 22061477. The reversal of 22061460 is 6416022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53736 + ... + 54144.

It is an arithmetic number, because the mean of its divisors is an integer number (688800).

Almost surely, 2^22061460 is an apocalyptic number.

22061460 is a gapful number since it is divisible by the number (20) 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 22061460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33062400).

22061460 is an abundant number, since it is smaller than the sum of its proper divisors (44063340).

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

22061460 is a wasteful number, since it uses less digits than its factorization.

22061460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22061460 is about 4696.9628484799. The cubic root of 22061460 is about 280.4646197603.

Adding to 22061460 its reverse (6416022), we get a palindrome (28477482).

The spelling of 22061460 in words is "twenty-two million, sixty-one thousand, four hundred sixty".