618173022 has 16 divisors (see below), whose sum is σ = 1241521920. Its totient is φ = 205195032.

The previous prime is 618172993. The next prime is 618173027. The reversal of 618173022 is 220371816.

It is a super-2 number, since 2×618173022² = 764275770257224968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618173027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214108 + ... + 216975.

It is an arithmetic number, because the mean of its divisors is an integer number (77595120).

Almost surely, 2^618173022 is an apocalyptic number.

618173022 is an abundant number, since it is smaller than the sum of its proper divisors (623348898).

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

618173022 is a wasteful number, since it uses less digits than its factorization.

618173022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431327.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 618173022 is about 24863.0855285502. The cubic root of 618173022 is about 851.8635110548.

The spelling of 618173022 in words is "six hundred eighteen million, one hundred seventy-three thousand, twenty-two".