22755830 has 8 divisors (see below), whose sum is σ = 40960512. Its totient is φ = 9102328.

The previous prime is 22755781. The next prime is 22755833. The reversal of 22755830 is 3855722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22755833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137782 + ... + 1137801.

It is an arithmetic number, because the mean of its divisors is an integer number (5120064).

Almost surely, 2^22755830 is an apocalyptic number.

22755830 is a deficient number, since it is larger than the sum of its proper divisors (18204682).

22755830 is a wasteful number, since it uses less digits than its factorization.

22755830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275590.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 22755830 is about 4770.3071179957. The cubic root of 22755830 is about 283.3767576658.

The spelling of 22755830 in words is "twenty-two million, seven hundred fifty-five thousand, eight hundred thirty".