2015013222 has 48 divisors (see below), whose sum is σ = 4447170000. Its totient is φ = 659273472.

The previous prime is 2015013211. The next prime is 2015013223. The reversal of 2015013222 is 2223105102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2015013195 and 2015013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015013223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218154 + ... + 227202.

It is an arithmetic number, because the mean of its divisors is an integer number (92649375).

Almost surely, 2^2015013222 is an apocalyptic number.

2015013222 is an abundant number, since it is smaller than the sum of its proper divisors (2432156778).

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

2015013222 is a wasteful number, since it uses less digits than its factorization.

2015013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285 (or 9282 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2015013222 is about 44888.8986498889. The cubic root of 2015013222 is about 1263.0657733043.

Adding to 2015013222 its reverse (2223105102), we get a palindrome (4238118324).

The spelling of 2015013222 in words is "two billion, fifteen million, thirteen thousand, two hundred twenty-two".