3445221401 has 8 divisors (see below), whose sum is σ = 3521694720. Its totient is φ = 3368880288.

The previous prime is 3445221383. The next prime is 3445221407. The reversal of 3445221401 is 1041225443.

3445221401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3445221401 - 2¹⁸ = 3444959257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3445221407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20600 + ... + 85526.

It is an arithmetic number, because the mean of its divisors is an integer number (440211840).

Almost surely, 2^3445221401 is an apocalyptic number.

It is an amenable number.

3445221401 is a deficient number, since it is larger than the sum of its proper divisors (76473319).

3445221401 is a wasteful number, since it uses less digits than its factorization.

3445221401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66103.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3445221401 is about 58696.0083906904. The cubic root of 3445221401 is about 1510.3318424809.

Adding to 3445221401 its reverse (1041225443), we get a palindrome (4486446844).

The spelling of 3445221401 in words is "three billion, four hundred forty-five million, two hundred twenty-one thousand, four hundred one".