1018440522 has 48 divisors (see below), whose sum is σ = 2548832832. Its totient is φ = 290463360.

The previous prime is 1018440497. The next prime is 1018440541. The reversal of 1018440522 is 2250448101.

1018440522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147918 + ... + 154649.

It is an arithmetic number, because the mean of its divisors is an integer number (53100684).

Almost surely, 2^1018440522 is an apocalyptic number.

1018440522 is an abundant number, since it is smaller than the sum of its proper divisors (1530392310).

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

1018440522 is a wasteful number, since it uses less digits than its factorization.

1018440522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302603 (or 302600 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1018440522 is about 31913.0149312158. The cubic root of 1018440522 is about 1006.1094394047.

Adding to 1018440522 its reverse (2250448101), we get a palindrome (3268888623).

The spelling of 1018440522 in words is "one billion, eighteen million, four hundred forty thousand, five hundred twenty-two".