22232453520 has 80 divisors (see below), whose sum is σ = 71143875072. Its totient is φ = 5737405440.

The previous prime is 22232453501. The next prime is 22232453531. The reversal of 22232453520 is 2535423222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486677 + ... + 1501556.

Almost surely, 2^22232453520 is an apocalyptic number.

22232453520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232453520 is an abundant number, since it is smaller than the sum of its proper divisors (48911421552).

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

22232453520 is a wasteful number, since it uses less digits than its factorization.

22232453520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988280 (or 2988274 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 22232453520 its reverse (2535423222), we get a palindrome (24767876742).

The spelling of 22232453520 in words is "twenty-two billion, two hundred thirty-two million, four hundred fifty-three thousand, five hundred twenty".