2742221204 has 24 divisors (see below), whose sum is σ = 5020541568. Its totient is φ = 1309204160.

The previous prime is 2742221201. The next prime is 2742221233. The reversal of 2742221204 is 4021222472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742221201) 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 7 ways as a sum of consecutive naturals, for example, 170174 + ... + 185589.

It is an arithmetic number, because the mean of its divisors is an integer number (209189232).

Almost surely, 2^2742221204 is an apocalyptic number.

It is an amenable number.

2742221204 is a deficient number, since it is larger than the sum of its proper divisors (2278320364).

2742221204 is a wasteful number, since it uses less digits than its factorization.

2742221204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355855 (or 355853 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 2742221204 is about 52366.2219756209. The cubic root of 2742221204 is about 1399.6974182813.

Adding to 2742221204 its reverse (4021222472), we get a palindrome (6763443676).

The spelling of 2742221204 in words is "two billion, seven hundred forty-two million, two hundred twenty-one thousand, two hundred four".