22102262740 has 12 divisors (see below), whose sum is σ = 46414751796. Its totient is φ = 8840905088.

The previous prime is 22102262729. The next prime is 22102262747. The reversal of 22102262740 is 4726220122.

It can be written as a sum of positive squares in 2 ways, for example, as 4093696324 + 18008566416 = 63982^2 + 134196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102262699 and 22102262708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102262747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552556549 + ... + 552556588.

It is an arithmetic number, because the mean of its divisors is an integer number (3867895983).

Almost surely, 2^22102262740 is an apocalyptic number.

22102262740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102262740 is an abundant number, since it is smaller than the sum of its proper divisors (24312489056).

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

22102262740 is a wasteful number, since it uses less digits than its factorization.

22102262740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105113146 (or 1105113144 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 22102262740 its reverse (4726220122), we get a palindrome (26828482862).

The spelling of 22102262740 in words is "twenty-two billion, one hundred two million, two hundred sixty-two thousand, seven hundred forty".