2978745522 has 16 divisors (see below), whose sum is σ = 5962671840. Its totient is φ = 992051712.

The previous prime is 2978745499. The next prime is 2978745541. The reversal of 2978745522 is 2255478792.

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, 208372 + ... + 222207.

It is an arithmetic number, because the mean of its divisors is an integer number (372666990).

Almost surely, 2^2978745522 is an apocalyptic number.

2978745522 is an abundant number, since it is smaller than the sum of its proper divisors (2983926318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2978745522 is a wasteful number, since it uses less digits than its factorization.

2978745522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431737.

The product of its digits is 2822400, while the sum is 51.

The square root of 2978745522 is about 54577.8849168782. The cubic root of 2978745522 is about 1438.8354657044.

The spelling of 2978745522 in words is "two billion, nine hundred seventy-eight million, seven hundred forty-five thousand, five hundred twenty-two".