2315540022 has 16 divisors (see below), whose sum is σ = 4644430272. Its totient is φ = 769621640.

The previous prime is 2315540011. The next prime is 2315540047. The reversal of 2315540022 is 2200455132.

It is a junction number, because it is equal to n+sod(n) for n = 2315539974 and 2315540001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554004 + ... + 558167.

It is an arithmetic number, because the mean of its divisors is an integer number (290276892).

Almost surely, 2^2315540022 is an apocalyptic number.

2315540022 is an abundant number, since it is smaller than the sum of its proper divisors (2328890250).

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

2315540022 is a wasteful number, since it uses less digits than its factorization.

2315540022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112523.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2315540022 is about 48120.0584164234. The cubic root of 2315540022 is about 1322.9723389076.

Adding to 2315540022 its reverse (2200455132), we get a palindrome (4515995154).

The spelling of 2315540022 in words is "two billion, three hundred fifteen million, five hundred forty thousand, twenty-two".