22776336 has 80 divisors (see below), whose sum is σ = 71334720. Its totient is φ = 6900480.

The previous prime is 22776331. The next prime is 22776353. The reversal of 22776336 is 63367722.

It is a super-2 number, since 2×22776336² = 1037522963169792, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22776336.

It is not an unprimeable number, because it can be changed into a prime (22776331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2356 + ... + 7148.

It is an arithmetic number, because the mean of its divisors is an integer number (891684).

Almost surely, 2^22776336 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 22776336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35667360).

22776336 is an abundant number, since it is smaller than the sum of its proper divisors (48558384).

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

22776336 is a wasteful number, since it uses less digits than its factorization.

22776336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4809 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 22776336 is about 4772.4559715098. The cubic root of 22776336 is about 283.4618520379.

The spelling of 22776336 in words is "twenty-two million, seven hundred seventy-six thousand, three hundred thirty-six".