2213622442 has 16 divisors (see below), whose sum is σ = 3486880512. Its totient is φ = 1051942320.

The previous prime is 2213622409. The next prime is 2213622443. The reversal of 2213622442 is 2442263122.

It is a self number, because there is not a number n which added to its sum of digits gives 2213622442.

It is not an unprimeable number, because it can be changed into a prime (2213622443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146034 + ... + 160477.

It is an arithmetic number, because the mean of its divisors is an integer number (217930032).

Almost surely, 2^2213622442 is an apocalyptic number.

2213622442 is a deficient number, since it is larger than the sum of its proper divisors (1273258070).

2213622442 is a wasteful number, since it uses less digits than its factorization.

2213622442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306693.

The product of its digits is 9216, while the sum is 28.

The square root of 2213622442 is about 47049.1492165374. The cubic root of 2213622442 is about 1303.2703541773.

Adding to 2213622442 its reverse (2442263122), we get a palindrome (4655885564).

The spelling of 2213622442 in words is "two billion, two hundred thirteen million, six hundred twenty-two thousand, four hundred forty-two".