3522242550421 has 6 divisors (see below), whose sum is σ = 4097302558710. Its totient is φ = 3019065043176.

The previous prime is 3522242550413. The next prime is 3522242550443. The reversal of 3522242550421 is 1240552422253.

It can be written as a sum of positive squares in only one way, i.e., 3343097755396 + 179144795025 = 1828414^2 + 423255^2 .

It is not a de Polignac number, because 3522242550421 - 2³ = 3522242550413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522242550481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35941250466 + ... + 35941250563.

It is an arithmetic number, because the mean of its divisors is an integer number (682883759785).

Almost surely, 2^{3522242550421} is an apocalyptic number.

It is an amenable number.

3522242550421 is a deficient number, since it is larger than the sum of its proper divisors (575060008289).

3522242550421 is an equidigital number, since it uses as much as digits as its factorization.

3522242550421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71882501043 (or 71882501036 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 3522242550421 its reverse (1240552422253), we get a palindrome (4762794972674).

The spelling of 3522242550421 in words is "three trillion, five hundred twenty-two billion, two hundred forty-two million, five hundred fifty thousand, four hundred twenty-one".