22850388 has 72 divisors (see below), whose sum is σ = 66349920. Its totient is φ = 6557760.

The previous prime is 22850381. The next prime is 22850411. The reversal of 22850388 is 88305822.

22850388 is a `hidden beast` number, since 228 + 50 + 388 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22850381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6006 + ... + 9042.

Almost surely, 2^22850388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22850388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33174960).

22850388 is an abundant number, since it is smaller than the sum of its proper divisors (43499532).

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

22850388 is a wasteful number, since it uses less digits than its factorization.

22850388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 22850388 is about 4780.2079452677. The cubic root of 22850388 is about 283.7687233015.

The spelling of 22850388 in words is "twenty-two million, eight hundred fifty thousand, three hundred eighty-eight".