618455226 has 16 divisors (see below), whose sum is σ = 1237458528. Its totient is φ = 206060400.

The previous prime is 618455179. The next prime is 618455231. The reversal of 618455226 is 622554816.

618455226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×618455226² = 764973733133422152, which contains 22 as substring.

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, 7360 + ... + 35931.

It is an arithmetic number, because the mean of its divisors is an integer number (77341158).

Almost surely, 2^618455226 is an apocalyptic number.

618455226 is an abundant number, since it is smaller than the sum of its proper divisors (619003302).

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

618455226 is a wasteful number, since it uses less digits than its factorization.

618455226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45677.

The product of its digits is 115200, while the sum is 39.

The square root of 618455226 is about 24868.7600414657. The cubic root of 618455226 is about 851.9931202469.

The spelling of 618455226 in words is "six hundred eighteen million, four hundred fifty-five thousand, two hundred twenty-six".