3522220401 has 24 divisors (see below), whose sum is σ = 5469056064. Its totient is φ = 2010479520.

The previous prime is 3522220397. The next prime is 3522220423. The reversal of 3522220401 is 1040222253.

3522220401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3522220401 - 2² = 3522220397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3522220001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125596 + ... + 151058.

It is an arithmetic number, because the mean of its divisors is an integer number (227877336).

Almost surely, 2^3522220401 is an apocalyptic number.

It is an amenable number.

3522220401 is a deficient number, since it is larger than the sum of its proper divisors (1946835663).

3522220401 is a wasteful number, since it uses less digits than its factorization.

3522220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26421 (or 26414 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3522220401 is about 59348.2973723762. The cubic root of 3522220401 is about 1521.5007685687.

Adding to 3522220401 its reverse (1040222253), we get a palindrome (4562442654).

The spelling of 3522220401 in words is "three billion, five hundred twenty-two million, two hundred twenty thousand, four hundred one".