22868406 has 80 divisors (see below), whose sum is σ = 57446928. Its totient is φ = 6739200.

The previous prime is 22868401. The next prime is 22868407. The reversal of 22868406 is 60486822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22868401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72906 + ... + 73218.

Almost surely, 2^22868406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22868406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28723464).

22868406 is an abundant number, since it is smaller than the sum of its proper divisors (34578522).

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

22868406 is a wasteful number, since it uses less digits than its factorization.

22868406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 22868406 is about 4782.0922199389. The cubic root of 22868406 is about 283.8432895271.

The spelling of 22868406 in words is "twenty-two million, eight hundred sixty-eight thousand, four hundred six".