2221413444 has 48 divisors (see below), whose sum is σ = 5765961600. Its totient is φ = 739604448.

The previous prime is 2221413419. The next prime is 2221413451. The reversal of 2221413444 is 4443141222.

2221413444 is a `hidden beast` number, since 2 + 2 + 214 + 1 + 3 + 444 = 666.

It is a super-2 number, since 2×2221413444² = 9869355378367882272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

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, 84202 + ... + 107390.

It is an arithmetic number, because the mean of its divisors is an integer number (120124200).

Almost surely, 2^2221413444 is an apocalyptic number.

It is an amenable number.

2221413444 is an abundant number, since it is smaller than the sum of its proper divisors (3544548156).

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

2221413444 is a wasteful number, since it uses less digits than its factorization.

2221413444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24089 (or 24081 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 2221413444 is about 47131.8729099534. The cubic root of 2221413444 is about 1304.7975481952.

Adding to 2221413444 its reverse (4443141222), we get a palindrome (6664554666).

The spelling of 2221413444 in words is "two billion, two hundred twenty-one million, four hundred thirteen thousand, four hundred forty-four".