2222140421 has 8 divisors (see below), whose sum is σ = 2347084320. Its totient is φ = 2097995472.

The previous prime is 2222140387. The next prime is 2222140441. The reversal of 2222140421 is 1240412222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222140421 - 2²² = 2217946117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222140393 and 2222140402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222140441) 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, 194015 + ... + 205148.

It is an arithmetic number, because the mean of its divisors is an integer number (293385540).

Almost surely, 2^2222140421 is an apocalyptic number.

It is an amenable number.

2222140421 is a deficient number, since it is larger than the sum of its proper divisors (124943899).

2222140421 is a wasteful number, since it uses less digits than its factorization.

2222140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399475.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2222140421 is about 47139.5844381344. The cubic root of 2222140421 is about 1304.9398681453.

Adding to 2222140421 its reverse (1240412222), we get a palindrome (3462552643).

The spelling of 2222140421 in words is "two billion, two hundred twenty-two million, one hundred forty thousand, four hundred twenty-one".