4021220230022 has 4 divisors (see below), whose sum is σ = 6031830345036. Its totient is φ = 2010610115010.

The previous prime is 4021220229991. The next prime is 4021220230061. The reversal of 4021220230022 is 2200320221204.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4021220229976 and 4021220230003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005305057504 + ... + 1005305057507.

It is an arithmetic number, because the mean of its divisors is an integer number (1507957586259).

Almost surely, 2^{4021220230022} is an apocalyptic number.

4021220230022 is a deficient number, since it is larger than the sum of its proper divisors (2010610115014).

4021220230022 is a wasteful number, since it uses less digits than its factorization.

4021220230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010610115013.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 4021220230022 its reverse (2200320221204), we get a palindrome (6221540451226).

The spelling of 4021220230022 in words is "four trillion, twenty-one billion, two hundred twenty million, two hundred thirty thousand, twenty-two".