2015222042 has 8 divisors (see below), whose sum is σ = 3181929600. Its totient is φ = 954578844.

The previous prime is 2015221969. The next prime is 2015222059. The reversal of 2015222042 is 2402225102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2015222042² = 8122239757125299528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26516042 + ... + 26516117.

It is an arithmetic number, because the mean of its divisors is an integer number (397741200).

Almost surely, 2^2015222042 is an apocalyptic number.

2015222042 is a deficient number, since it is larger than the sum of its proper divisors (1166707558).

2015222042 is a wasteful number, since it uses less digits than its factorization.

2015222042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53032180.

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

The square root of 2015222042 is about 44891.2245544717. The cubic root of 2015222042 is about 1263.1094031725.

Adding to 2015222042 its reverse (2402225102), we get a palindrome (4417447144).

The spelling of 2015222042 in words is "two billion, fifteen million, two hundred twenty-two thousand, forty-two".