2015022044 has 24 divisors (see below), whose sum is σ = 4098353280. Its totient is φ = 848943216.

The previous prime is 2015022043. The next prime is 2015022047. The reversal of 2015022044 is 4402205102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015022043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608222 + ... + 611525.

It is an arithmetic number, because the mean of its divisors is an integer number (170764720).

Almost surely, 2^2015022044 is an apocalyptic number.

It is an amenable number.

2015022044 is an abundant number, since it is smaller than the sum of its proper divisors (2083331236).

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

2015022044 is a wasteful number, since it uses less digits than its factorization.

2015022044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219817 (or 1219815 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2015022044 is about 44888.9969146115. The cubic root of 2015022044 is about 1263.0676165924.

Adding to 2015022044 its reverse (4402205102), we get a palindrome (6417227146).

The spelling of 2015022044 in words is "two billion, fifteen million, twenty-two thousand, forty-four".