22545533740 has 24 divisors (see below), whose sum is σ = 47402767440. Its totient is φ = 9007328448.

The previous prime is 22545533723. The next prime is 22545533749. The reversal of 22545533740 is 4733554522.

It is a junction number, because it is equal to n+sod(n) for n = 22545533693 and 22545533702.

It is not an unprimeable number, because it can be changed into a prime (22545533749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663322 + ... + 696481.

It is an arithmetic number, because the mean of its divisors is an integer number (1975115310).

Almost surely, 2^22545533740 is an apocalyptic number.

22545533740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22545533740 is an abundant number, since it is smaller than the sum of its proper divisors (24857233700).

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

22545533740 is a wasteful number, since it uses less digits than its factorization.

22545533740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360641 (or 1360639 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 40.

The spelling of 22545533740 in words is "twenty-two billion, five hundred forty-five million, five hundred thirty-three thousand, seven hundred forty".