22863380 has 36 divisors (see below), whose sum is σ = 50214612. Its totient is φ = 8743680.

The previous prime is 22863371. The next prime is 22863391. The reversal of 22863380 is 8336822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11276164 + 11587216 = 3358^2 + 3404^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9500 + ... + 11660.

Almost surely, 2^22863380 is an apocalyptic number.

22863380 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 22863380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25107306).

22863380 is an abundant number, since it is smaller than the sum of its proper divisors (27351232).

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

22863380 is a wasteful number, since it uses less digits than its factorization.

22863380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22863380 is about 4781.5666888584. The cubic root of 22863380 is about 283.8224937197.

The spelling of 22863380 in words is "twenty-two million, eight hundred sixty-three thousand, three hundred eighty".