22038768 has 60 divisors (see below), whose sum is σ = 63680448. Its totient is φ = 7107840.

The previous prime is 22038767. The next prime is 22038769. The reversal of 22038768 is 86783022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22038767) and next prime (22038769).

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 (22038763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1996 + ... + 6932.

Almost surely, 2^22038768 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 22038768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31840224).

22038768 is an abundant number, since it is smaller than the sum of its proper divisors (41641680).

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

22038768 is a wasteful number, since it uses less digits than its factorization.

22038768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 22038768 is about 4694.5466234771. The cubic root of 22038768 is about 280.3684265729.

The spelling of 22038768 in words is "twenty-two million, thirty-eight thousand, seven hundred sixty-eight".