22352355140 has 24 divisors (see below), whose sum is σ = 49701119832. Its totient is φ = 8415004160.

The previous prime is 22352355139. The next prime is 22352355161. The reversal of 22352355140 is 4155325322.

It can be written as a sum of positive squares in 4 ways, for example, as 7706030656 + 14646324484 = 87784^2 + 121022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22352355097 and 22352355106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32870771 + ... + 32871450.

It is an arithmetic number, because the mean of its divisors is an integer number (2070879993).

Almost surely, 2^22352355140 is an apocalyptic number.

22352355140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22352355140 is an abundant number, since it is smaller than the sum of its proper divisors (27348764692).

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

22352355140 is a wasteful number, since it uses less digits than its factorization.

22352355140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65742247 (or 65742245 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 22352355140 in words is "twenty-two billion, three hundred fifty-two million, three hundred fifty-five thousand, one hundred forty".