22735273940 has 12 divisors (see below), whose sum is σ = 47744075316. Its totient is φ = 9094109568.

The previous prime is 22735273937. The next prime is 22735273987. The reversal of 22735273940 is 4937253722.

It can be written as a sum of positive squares in 2 ways, for example, as 17547241156 + 5188032784 = 132466^2 + 72028^2 .

It is a super-2 number, since 2×22735273940² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22735273891 and 22735273900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568381829 + ... + 568381868.

It is an arithmetic number, because the mean of its divisors is an integer number (3978672943).

Almost surely, 2^22735273940 is an apocalyptic number.

22735273940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22735273940 is an abundant number, since it is smaller than the sum of its proper divisors (25008801376).

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

22735273940 is a wasteful number, since it uses less digits than its factorization.

22735273940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136763706 (or 1136763704 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 22735273940 in words is "twenty-two billion, seven hundred thirty-five million, two hundred seventy-three thousand, nine hundred forty".