4122892221 has 32 divisors (see below), whose sum is σ = 6356413440. Its totient is φ = 2328329856.

The previous prime is 4122892219. The next prime is 4122892229. The reversal of 4122892221 is 1222982214.

It is not a de Polignac number, because 4122892221 - 2¹ = 4122892219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122892229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1047385 + ... + 1051313.

It is an arithmetic number, because the mean of its divisors is an integer number (198637920).

Almost surely, 2^4122892221 is an apocalyptic number.

It is an amenable number.

4122892221 is a deficient number, since it is larger than the sum of its proper divisors (2233521219).

4122892221 is a wasteful number, since it uses less digits than its factorization.

4122892221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513.

The product of its digits is 9216, while the sum is 33.

The square root of 4122892221 is about 64209.7517593706. The cubic root of 4122892221 is about 1603.4939558924.

The spelling of 4122892221 in words is "four billion, one hundred twenty-two million, eight hundred ninety-two thousand, two hundred twenty-one".