22506060 has 24 divisors (see below), whose sum is σ = 63017136. Its totient is φ = 6001600.

The previous prime is 22506047. The next prime is 22506109. The reversal of 22506060 is 6060522.

It is a nialpdrome in base 12.

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, 187491 + ... + 187610.

It is an arithmetic number, because the mean of its divisors is an integer number (2625714).

Almost surely, 2^22506060 is an apocalyptic number.

22506060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22506060 is an abundant number, since it is smaller than the sum of its proper divisors (40511076).

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

22506060 is a wasteful number, since it uses less digits than its factorization.

22506060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375113 (or 375111 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22506060 is about 4744.0552273345. The cubic root of 22506060 is about 282.3361516263.

Adding to 22506060 its reverse (6060522), we get a palindrome (28566582).

The spelling of 22506060 in words is "twenty-two million, five hundred six thousand, sixty".