3450052221 has 24 divisors (see below), whose sum is σ = 5837567904. Its totient is φ = 1792234080.

The previous prime is 3450052219. The next prime is 3450052273. The reversal of 3450052221 is 1222500543.

It is not a de Polignac number, because 3450052221 - 2¹ = 3450052219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3450052191 and 3450052200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450052201) 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, 1065190 + ... + 1068423.

It is an arithmetic number, because the mean of its divisors is an integer number (243231996).

Almost surely, 2^3450052221 is an apocalyptic number.

It is an amenable number.

3450052221 is a deficient number, since it is larger than the sum of its proper divisors (2387515683).

3450052221 is a wasteful number, since it uses less digits than its factorization.

3450052221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133641 (or 2133634 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 3450052221 is about 58737.1451553444. The cubic root of 3450052221 is about 1511.0374317507.

Adding to 3450052221 its reverse (1222500543), we get a palindrome (4672552764).

It can be divided in two parts, 34500522 and 21, that added together give a palindrome (34500543).

The spelling of 3450052221 in words is "three billion, four hundred fifty million, fifty-two thousand, two hundred twenty-one".