2221404324 has 24 divisors (see below), whose sum is σ = 5350480128. Its totient is φ = 716581920.

The previous prime is 2221404307. The next prime is 2221404329. The reversal of 2221404324 is 4234041222.

It is a junction number, because it is equal to n+sod(n) for n = 2221404294 and 2221404303.

It is not an unprimeable number, because it can be changed into a prime (2221404329) 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, 2985387 + ... + 2986130.

It is an arithmetic number, because the mean of its divisors is an integer number (222936672).

Almost surely, 2^2221404324 is an apocalyptic number.

It is an amenable number.

2221404324 is an abundant number, since it is smaller than the sum of its proper divisors (3129075804).

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

2221404324 is a wasteful number, since it uses less digits than its factorization.

2221404324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971555 (or 5971553 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2221404324 is about 47131.7761600388. The cubic root of 2221404324 is about 1304.7957625798.

Adding to 2221404324 its reverse (4234041222), we get a palindrome (6455445546).

The spelling of 2221404324 in words is "two billion, two hundred twenty-one million, four hundred four thousand, three hundred twenty-four".