22331455040 has 56 divisors (see below), whose sum is σ = 53198191800. Its totient is φ = 8928985088.

The previous prime is 22331455037. The next prime is 22331455049. The reversal of 22331455040 is 4055413322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5477184064 + 16854270976 = 74008^2 + 129824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22331454994 and 22331455012.

It is not an unprimeable number, because it can be changed into a prime (22331455049) 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, 868286 + ... + 893634.

Almost surely, 2^22331455040 is an apocalyptic number.

22331455040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331455040 is an abundant number, since it is smaller than the sum of its proper divisors (30866736760).

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

22331455040 is a wasteful number, since it uses less digits than its factorization.

22331455040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28119 (or 28109 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 22331455040 its reverse (4055413322), we get a palindrome (26386868362).

The spelling of 22331455040 in words is "twenty-two billion, three hundred thirty-one million, four hundred fifty-five thousand, forty".