618222336 has 144 divisors (see below), whose sum is σ = 1773864960. Its totient is φ = 190586880.

The previous prime is 618222329. The next prime is 618222343. The reversal of 618222336 is 633222816.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (618222329) and next prime (618222343).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 618222297 and 618222306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547020 + ... + 548148.

Almost surely, 2^618222336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618222336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886932480).

618222336 is an abundant number, since it is smaller than the sum of its proper divisors (1155642624).

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

618222336 is a wasteful number, since it uses less digits than its factorization.

618222336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1188 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 618222336 is about 24864.0772199573. The cubic root of 618222336 is about 851.8861625772.

The spelling of 618222336 in words is "six hundred eighteen million, two hundred twenty-two thousand, three hundred thirty-six".