3161222445 has 16 divisors (see below), whose sum is σ = 5105229120. Its totient is φ = 1670227584.

The previous prime is 3161222429. The next prime is 3161222447. The reversal of 3161222445 is 5442221613.

It is not a de Polignac number, because 3161222445 - 2⁴ = 3161222429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161222447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983200 + ... + 986409.

It is an arithmetic number, because the mean of its divisors is an integer number (319076820).

Almost surely, 2^3161222445 is an apocalyptic number.

It is an amenable number.

3161222445 is a deficient number, since it is larger than the sum of its proper divisors (1944006675).

3161222445 is a wasteful number, since it uses less digits than its factorization.

3161222445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969724.

The product of its digits is 11520, while the sum is 30.

The square root of 3161222445 is about 56224.7493991747. The cubic root of 3161222445 is about 1467.6359869610.

The spelling of 3161222445 in words is "three billion, one hundred sixty-one million, two hundred twenty-two thousand, four hundred forty-five".