22003696 has 80 divisors (see below), whose sum is σ = 51246720. Its totient is φ = 9020160.

The previous prime is 22003693. The next prime is 22003703. The reversal of 22003696 is 69630022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134911 + ... + 135073.

It is an arithmetic number, because the mean of its divisors is an integer number (640584).

Almost surely, 2^22003696 is an apocalyptic number.

22003696 is a gapful number since it is divisible by the number (26) 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 22003696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25623360).

22003696 is an abundant number, since it is smaller than the sum of its proper divisors (29243024).

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

22003696 is a wasteful number, since it uses less digits than its factorization.

22003696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 22003696 is about 4690.8097382009. The cubic root of 22003696 is about 280.2196236072.

The spelling of 22003696 in words is "twenty-two million, three thousand, six hundred ninety-six".