3112220401 has 4 divisors (see below), whose sum is σ = 3113206272. Its totient is φ = 3111234532.

The previous prime is 3112220393. The next prime is 3112220411. The reversal of 3112220401 is 1040222113.

3112220401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3112220401 - 2³ = 3112220393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112220411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488185 + ... + 494518.

It is an arithmetic number, because the mean of its divisors is an integer number (778301568).

Almost surely, 2^3112220401 is an apocalyptic number.

It is an amenable number.

3112220401 is a deficient number, since it is larger than the sum of its proper divisors (985871).

3112220401 is an equidigital number, since it uses as much as digits as its factorization.

3112220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985870.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3112220401 is about 55787.2781286200. The cubic root of 3112220401 is about 1460.0131982606.

Adding to 3112220401 its reverse (1040222113), we get a palindrome (4152442514).

The spelling of 3112220401 in words is "three billion, one hundred twelve million, two hundred twenty thousand, four hundred one".