22041600 has 264 divisors, whose sum is σ = 85286208. Its totient is φ = 4915200.

The previous prime is 22041583. The next prime is 22041623. The reversal of 22041600 is 614022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 22041600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 537580 + ... + 537620.

Almost surely, 2^22041600 is an apocalyptic number.

22041600 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 22041600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42643104).

22041600 is an abundant number, since it is smaller than the sum of its proper divisors (63244608).

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

22041600 is a wasteful number, since it uses less digits than its factorization.

22041600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22041600 is about 4694.8482403588. The cubic root of 22041600 is about 280.3804352505.

Adding to 22041600 its reverse (614022), we get a palindrome (22655622).

The spelling of 22041600 in words is "twenty-two million, forty-one thousand, six hundred".