918022248 has 160 divisors (see below), whose sum is σ = 3021147360. Its totient is φ = 256763520.

The previous prime is 918022243. The next prime is 918022271. The reversal of 918022248 is 842220819.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (918022243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87711 + ... + 97617.

It is an arithmetic number, because the mean of its divisors is an integer number (18882171).

Almost surely, 2^918022248 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 918022248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510573680).

918022248 is an abundant number, since it is smaller than the sum of its proper divisors (2103125112).

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

918022248 is a wasteful number, since it uses less digits than its factorization.

918022248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949 (or 9936 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 918022248 is about 30298.8819595707. The cubic root of 918022248 is about 971.8913916143.

The spelling of 918022248 in words is "nine hundred eighteen million, twenty-two thousand, two hundred forty-eight".