3522640470745 has 16 divisors (see below), whose sum is σ = 4612952607552. Its totient is φ = 2561089236160.

The previous prime is 3522640470721. The next prime is 3522640470749. The reversal of 3522640470745 is 5470740462253.

It is not a de Polignac number, because 3522640470745 - 2¹⁵ = 3522640437977 is a prime.

It is a super-2 number, since 2×3522640470745² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3522640470749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10217722 + ... + 10556851.

It is an arithmetic number, because the mean of its divisors is an integer number (288309537972).

Almost surely, 2^{3522640470745} is an apocalyptic number.

It is an amenable number.

3522640470745 is a deficient number, since it is larger than the sum of its proper divisors (1090312136807).

3522640470745 is a wasteful number, since it uses less digits than its factorization.

3522640470745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20777672.

The product of its (nonzero) digits is 5644800, while the sum is 49.

The spelling of 3522640470745 in words is "three trillion, five hundred twenty-two billion, six hundred forty million, four hundred seventy thousand, seven hundred forty-five".