22406260 has 12 divisors (see below), whose sum is σ = 47053188. Its totient is φ = 8962496.

The previous prime is 22406239. The next prime is 22406261. The reversal of 22406260 is 6260422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13868176 + 8538084 = 3724^2 + 2922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406261) 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 3 ways as a sum of consecutive naturals, for example, 560137 + ... + 560176.

It is an arithmetic number, because the mean of its divisors is an integer number (3921099).

Almost surely, 2^22406260 is an apocalyptic number.

22406260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22406260 is an abundant number, since it is smaller than the sum of its proper divisors (24646928).

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

22406260 is a wasteful number, since it uses less digits than its factorization.

22406260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120322 (or 1120320 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22406260 is about 4733.5251134857. The cubic root of 22406260 is about 281.9182064142.

Adding to 22406260 its reverse (6260422), we get a palindrome (28666682).

The spelling of 22406260 in words is "twenty-two million, four hundred six thousand, two hundred sixty".