3722185221740 has 24 divisors (see below), whose sum is σ = 7823380142592. Its totient is φ = 1487580531200.

The previous prime is 3722185221701. The next prime is 3722185221761. The reversal of 3722185221740 is 471225812273.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3722185221691 and 3722185221700.

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, 80823749 + ... + 80869788.

It is an arithmetic number, because the mean of its divisors is an integer number (325974172608).

Almost surely, 2^{3722185221740} is an apocalyptic number.

It is an amenable number.

3722185221740 is an abundant number, since it is smaller than the sum of its proper divisors (4101194920852).

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

3722185221740 is a wasteful number, since it uses less digits than its factorization.

3722185221740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161694697 (or 161694695 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 3722185221740 in words is "three trillion, seven hundred twenty-two billion, one hundred eighty-five million, two hundred twenty-one thousand, seven hundred forty".