22289696 has 48 divisors (see below), whose sum is σ = 51565248. Its totient is φ = 9350400.

The previous prime is 22289693. The next prime is 22289711. The reversal of 22289696 is 69698222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (22289693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (1074276).

Almost surely, 2^22289696 is an apocalyptic number.

22289696 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 22289696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25782624).

22289696 is an abundant number, since it is smaller than the sum of its proper divisors (29275552).

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

22289696 is a wasteful number, since it uses less digits than its factorization.

22289696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905 (or 4897 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 22289696 is about 4721.1964585262. The cubic root of 22289696 is about 281.4284822003.

The spelling of 22289696 in words is "twenty-two million, two hundred eighty-nine thousand, six hundred ninety-six".