22860000 has 180 divisors, whose sum is σ = 81873792. Its totient is φ = 6048000.

The previous prime is 22859971. The next prime is 22860017. The reversal of 22860000 is 6822.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 179937 + ... + 180063.

Almost surely, 2^22860000 is an apocalyptic number.

22860000 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 22860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40936896).

22860000 is an abundant number, since it is smaller than the sum of its proper divisors (59013792).

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

22860000 is a wasteful number, since it uses less digits than its factorization.

22860000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 22860000 is about 4781.2132351528. The cubic root of 22860000 is about 283.8085067632.

Adding to 22860000 its reverse (6822), we get a palindrome (22866822).

The spelling of 22860000 in words is "twenty-two million, eight hundred sixty thousand".