2162262018 has 64 divisors (see below), whose sum is σ = 5199844608. Its totient is φ = 586414080.

The previous prime is 2162262007. The next prime is 2162262029. The reversal of 2162262018 is 8102622612.

It is an interprime number because it is at equal distance from previous prime (2162262007) and next prime (2162262029).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46746 + ... + 80682.

It is an arithmetic number, because the mean of its divisors is an integer number (81247572).

Almost surely, 2^2162262018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162262018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599922304).

2162262018 is an abundant number, since it is smaller than the sum of its proper divisors (3037582590).

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

2162262018 is a wasteful number, since it uses less digits than its factorization.

2162262018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34027.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2162262018 is about 46500.1292256269. The cubic root of 2162262018 is about 1293.1118945614. Note that the first 3 decimals are identical.

The spelling of 2162262018 in words is "two billion, one hundred sixty-two million, two hundred sixty-two thousand, eighteen".