2015522022 has 16 divisors (see below), whose sum is σ = 4031863920. Its totient is φ = 671704032.

The previous prime is 2015522021. The next prime is 2015522029. The reversal of 2015522022 is 2202255102.

It is a self number, because there is not a number n which added to its sum of digits gives 2015522022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015522021) 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, 504 + ... + 63492.

It is an arithmetic number, because the mean of its divisors is an integer number (251991495).

Almost surely, 2^2015522022 is an apocalyptic number.

2015522022 is an abundant number, since it is smaller than the sum of its proper divisors (2016341898).

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

2015522022 is a wasteful number, since it uses less digits than its factorization.

2015522022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68327.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2015522022 is about 44894.5656176780. The cubic root of 2015522022 is about 1263.1720743077.

Adding to 2015522022 its reverse (2202255102), we get a palindrome (4217777124).

The spelling of 2015522022 in words is "two billion, fifteen million, five hundred twenty-two thousand, twenty-two".