22068900 has 216 divisors, whose sum is σ = 82328064. Its totient is φ = 4838400.

The previous prime is 22068889. The next prime is 22068923. The reversal of 22068900 is 986022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 195244 + ... + 195356.

Almost surely, 2^22068900 is an apocalyptic number.

22068900 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 22068900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41164032).

22068900 is an abundant number, since it is smaller than the sum of its proper divisors (60259164).

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

22068900 is a wasteful number, since it uses less digits than its factorization.

22068900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22068900 is about 4697.7547828723. The cubic root of 22068900 is about 280.4961441509.

The spelling of 22068900 in words is "twenty-two million, sixty-eight thousand, nine hundred".