2945522 has 16 divisors (see below), whose sum is σ = 4794552. Its totient is φ = 1351680.

The previous prime is 2945519. The next prime is 2945531. The reversal of 2945522 is 2255492.

It can be written as a sum of positive squares in 4 ways, for example, as 1125721 + 1819801 = 1061^2 + 1349^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 2450.

2^2945522 is an apocalyptic number.

2945522 is a deficient number, since it is larger than the sum of its proper divisors (1849030).

2945522 is a wasteful number, since it uses less digits than its factorization.

2945522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173.

The product of its digits is 7200, while the sum is 29.

The square root of 2945522 is about 1716.2523124529. The cubic root of 2945522 is about 143.3466089500.

The spelling of 2945522 in words is "two million, nine hundred forty-five thousand, five hundred twenty-two".