2243621322 has 32 divisors (see below), whose sum is σ = 4994112000. Its totient is φ = 746630784.

The previous prime is 2243621309. The next prime is 2243621323. The reversal of 2243621322 is 2231263422.

It is a happy number.

2243621322 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 621 + 32 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2243621323) 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 15 ways as a sum of consecutive naturals, for example, 1447 + ... + 67002.

It is an arithmetic number, because the mean of its divisors is an integer number (156066000).

Almost surely, 2^2243621322 is an apocalyptic number.

2243621322 is an abundant number, since it is smaller than the sum of its proper divisors (2750490678).

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

2243621322 is a wasteful number, since it uses less digits than its factorization.

2243621322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69067 (or 69061 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2243621322 is about 47366.8800112484. The cubic root of 2243621322 is about 1309.1312387591.

Adding to 2243621322 its reverse (2231263422), we get a palindrome (4474884744).

The spelling of 2243621322 in words is "two billion, two hundred forty-three million, six hundred twenty-one thousand, three hundred twenty-two".