22705700 has 36 divisors (see below), whose sum is σ = 50330112. Its totient is φ = 8887200.

The previous prime is 22705687. The next prime is 22705751. The reversal of 22705700 is 750722.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2285 + ... + 7115.

Almost surely, 2^22705700 is an apocalyptic number.

22705700 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 22705700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25165056).

22705700 is an abundant number, since it is smaller than the sum of its proper divisors (27624412).

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

22705700 is a wasteful number, since it uses less digits than its factorization.

22705700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4885 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 22705700 is about 4765.0498423416. The cubic root of 22705700 is about 283.1685162155.

The spelling of 22705700 in words is "twenty-two million, seven hundred five thousand, seven hundred".