22126260 has 96 divisors (see below), whose sum is σ = 70277760. Its totient is φ = 5156352.

The previous prime is 22126229. The next prime is 22126261. The reversal of 22126260 is 6262122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22126261) 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, 14074 + ... + 15566.

It is an arithmetic number, because the mean of its divisors is an integer number (732060).

Almost surely, 2^22126260 is an apocalyptic number.

22126260 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 22126260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35138880).

22126260 is an abundant number, since it is smaller than the sum of its proper divisors (48151500).

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

22126260 is a wasteful number, since it uses less digits than its factorization.

22126260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1535 counting only the distinct ones).

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

The square root of 22126260 is about 4703.8558651387. The cubic root of 22126260 is about 280.7389494795.

Adding to 22126260 its reverse (6262122), we get a palindrome (28388382).

The spelling of 22126260 in words is "twenty-two million, one hundred twenty-six thousand, two hundred sixty".