22333244540 has 48 divisors (see below), whose sum is σ = 48666562560. Its totient is φ = 8602628160.

The previous prime is 22333244519. The next prime is 22333244567. The reversal of 22333244540 is 4544233322.

It is a junction number, because it is equal to n+sod(n) for n = 22333244497 and 22333244506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121820 + ... + 243939.

It is an arithmetic number, because the mean of its divisors is an integer number (1013886720).

Almost surely, 2^22333244540 is an apocalyptic number.

22333244540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22333244540 is an abundant number, since it is smaller than the sum of its proper divisors (26333318020).

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

22333244540 is a wasteful number, since it uses less digits than its factorization.

22333244540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365882 (or 365880 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 22333244540 its reverse (4544233322), we get a palindrome (26877477862).

The spelling of 22333244540 in words is "twenty-two billion, three hundred thirty-three million, two hundred forty-four thousand, five hundred forty".