22330452540 has 48 divisors (see below), whose sum is σ = 68209384320. Its totient is φ = 5413442880.

The previous prime is 22330452509. The next prime is 22330452559. The reversal of 22330452540 is 4525403322.

It is a super-2 number, since 2×22330452540² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22330452498 and 22330452507.

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, 16916350 + ... + 16917669.

It is an arithmetic number, because the mean of its divisors is an integer number (1421028840).

Almost surely, 2^22330452540 is an apocalyptic number.

22330452540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22330452540 is an abundant number, since it is smaller than the sum of its proper divisors (45878931780).

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

22330452540 is a wasteful number, since it uses less digits than its factorization.

22330452540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33834042 (or 33834040 counting only the distinct ones).

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

Adding to 22330452540 its reverse (4525403322), we get a palindrome (26855855862).

The spelling of 22330452540 in words is "twenty-two billion, three hundred thirty million, four hundred fifty-two thousand, five hundred forty".