3475220401 has 9 divisors (see below), whose sum is σ = 3506086891. Its totient is φ = 3444624832.

The previous prime is 3475220389. The next prime is 3475220431. The reversal of 3475220401 is 1040225743.

The square root of 3475220401 is 58951.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1411880625 + 2063339776 = 37575^2 + 45424^2 .

It is not a de Polignac number, because 3475220401 - 2¹⁷ = 3475089329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3475220401.

It is not an unprimeable number, because it can be changed into a prime (3475220431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9844641 + ... + 9844993.

Almost surely, 2^3475220401 is an apocalyptic number.

3475220401 is the 58951-st square number.

3475220401 is the 29476-th centered octagonal number.

It is an amenable number.

3475220401 is a deficient number, since it is larger than the sum of its proper divisors (30866490).

3475220401 is an frugal number, since it uses more digits than its factorization.

3475220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The cubic root of 3475220401 is about 1514.7028794985.

The spelling of 3475220401 in words is "three billion, four hundred seventy-five million, two hundred twenty thousand, four hundred one".