2242183440 has 80 divisors (see below), whose sum is σ = 7943741568. Its totient is φ = 512498688.

The previous prime is 2242183429. The next prime is 2242183513. The reversal of 2242183440 is 443812422.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2242183440² = 10054773157220467200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2242183398 and 2242183407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665637 + ... + 668996.

Almost surely, 2^2242183440 is an apocalyptic number.

2242183440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242183440 is an abundant number, since it is smaller than the sum of its proper divisors (5701558128).

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

2242183440 is a wasteful number, since it uses less digits than its factorization.

2242183440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334656 (or 1334650 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 2242183440 is about 47351.6994415195. The cubic root of 2242183440 is about 1308.8515156033.

Adding to 2242183440 its reverse (443812422), we get a palindrome (2685995862).

The spelling of 2242183440 in words is "two billion, two hundred forty-two million, one hundred eighty-three thousand, four hundred forty".