3145522 has 16 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 1520208.

The previous prime is 3145511. The next prime is 3145529. The reversal of 3145522 is 2255413.

It is a junction number, because it is equal to n+sod(n) for n = 3145493 and 3145502.

It is not an unprimeable number, because it can be changed into a prime (3145529) 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, 10093 + ... + 10399.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 2^3145522 is an apocalyptic number.

3145522 is a deficient number, since it is larger than the sum of its proper divisors (1733198).

3145522 is a wasteful number, since it uses less digits than its factorization.

3145522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its digits is 1200, while the sum is 22.

The square root of 3145522 is about 1773.5619526817. The cubic root of 3145522 is about 146.5202245838.

The spelling of 3145522 in words is "three million, one hundred forty-five thousand, five hundred twenty-two".