2141221422 has 16 divisors (see below), whose sum is σ = 4283758080. Its totient is φ = 713521272.

The previous prime is 2141221393. The next prime is 2141221471. The reversal of 2141221422 is 2241221412.

It is a congruent number.

It is an unprimeable number.

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, 32968 + ... + 73275.

It is an arithmetic number, because the mean of its divisors is an integer number (267734880).

Almost surely, 2^2141221422 is an apocalyptic number.

2141221422 is an abundant number, since it is smaller than the sum of its proper divisors (2142536658).

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

2141221422 is a wasteful number, since it uses less digits than its factorization.

2141221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109607.

The product of its digits is 512, while the sum is 21.

The square root of 2141221422 is about 46273.3338111703. Note that the first 3 decimals coincide. The cubic root of 2141221422 is about 1288.9038666506.

Adding to 2141221422 its reverse (2241221412), we get a palindrome (4382442834).

The spelling of 2141221422 in words is "two billion, one hundred forty-one million, two hundred twenty-one thousand, four hundred twenty-two".