22868032 has 42 divisors (see below), whose sum is σ = 49896014. Its totient is φ = 10391040.

The previous prime is 22868017. The next prime is 22868047. The reversal of 22868032 is 23086822.

It is an interprime number because it is at equal distance from previous prime (22868017) and next prime (22868047).

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 1115136 = 4664^2 + 1056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22867985 and 22868003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6268 + ... + 9220.

Almost surely, 2^22868032 is an apocalyptic number.

22868032 is a gapful number since it is divisible by the number (22) 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 22868032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24948007).

22868032 is an abundant number, since it is smaller than the sum of its proper divisors (27027982).

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

22868032 is a wasteful number, since it uses less digits than its factorization.

22868032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 22868032 is about 4782.0531155561. The cubic root of 22868032 is about 283.8417421525.

The spelling of 22868032 in words is "twenty-two million, eight hundred sixty-eight thousand, thirty-two".