2243067918 has 32 divisors (see below), whose sum is σ = 5521399296. Its totient is φ = 591578208.

The previous prime is 2243067913. The next prime is 2243067919. The reversal of 2243067918 is 8197603422.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2243067918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243067913) by changing a digit.

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, 2053546 + ... + 2054637.

It is an arithmetic number, because the mean of its divisors is an integer number (172543728).

Almost surely, 2^2243067918 is an apocalyptic number.

2243067918 is an abundant number, since it is smaller than the sum of its proper divisors (3278331378).

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

2243067918 is a wasteful number, since it uses less digits than its factorization.

2243067918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108208.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2243067918 is about 47361.0379742674. The cubic root of 2243067918 is about 1309.0235946228.

The spelling of 2243067918 in words is "two billion, two hundred forty-three million, sixty-seven thousand, nine hundred eighteen".