22755000 has 160 divisors (see below), whose sum is σ = 74788560. Its totient is φ = 5760000.

The previous prime is 22754999. The next prime is 22755011. The reversal of 22755000 is 55722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 554980 + ... + 555020.

Almost surely, 2^22755000 is an apocalyptic number.

22755000 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 22755000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37394280).

22755000 is an abundant number, since it is smaller than the sum of its proper divisors (52033560).

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

22755000 is a wasteful number, since it uses less digits than its factorization.

22755000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 22755000 is about 4770.2201207072. The cubic root of 22755000 is about 283.3733123132.

The spelling of 22755000 in words is "twenty-two million, seven hundred fifty-five thousand".