2221142104 has 16 divisors (see below), whose sum is σ = 4383833400. Its totient is φ = 1052119872.

The previous prime is 2221142093. The next prime is 2221142107. The reversal of 2221142104 is 4012411222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221142107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7306237 + ... + 7306540.

Almost surely, 2^2221142104 is an apocalyptic number.

It is an amenable number.

2221142104 is a deficient number, since it is larger than the sum of its proper divisors (2162691296).

2221142104 is a wasteful number, since it uses less digits than its factorization.

2221142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612802 (or 14612798 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2221142104 is about 47128.9943028705. The cubic root of 2221142104 is about 1304.7444201318.

Adding to 2221142104 its reverse (4012411222), we get a palindrome (6233553326).

The spelling of 2221142104 in words is "two billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred four".