1018238022 has 24 divisors (see below), whose sum is σ = 2257490664. Its totient is φ = 331519104.

The previous prime is 1018238009. The next prime is 1018238029. The reversal of 1018238022 is 2208328101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018238029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657003 + ... + 658550.

It is an arithmetic number, because the mean of its divisors is an integer number (94062111).

Almost surely, 2^1018238022 is an apocalyptic number.

1018238022 is an abundant number, since it is smaller than the sum of its proper divisors (1239252642).

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

1018238022 is a wasteful number, since it uses less digits than its factorization.

1018238022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315604 (or 1315601 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1018238022 is about 31909.8420867293. The cubic root of 1018238022 is about 1006.0427522617.

The spelling of 1018238022 in words is "one billion, eighteen million, two hundred thirty-eight thousand, twenty-two".