4022000000421 has 16 divisors (see below), whose sum is σ = 5797138359936. Its totient is φ = 2465665978176.

The previous prime is 4022000000411. The next prime is 4022000000461. The reversal of 4022000000421 is 1240000002204.

It is not a de Polignac number, because 4022000000421 - 2¹⁰ = 4021999999397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4022000000421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022000000411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196050970 + ... + 196071483.

It is an arithmetic number, because the mean of its divisors is an integer number (362321147496).

Almost surely, 2^{4022000000421} is an apocalyptic number.

It is an amenable number.

4022000000421 is a deficient number, since it is larger than the sum of its proper divisors (1775138359515).

4022000000421 is a wasteful number, since it uses less digits than its factorization.

4022000000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392122732.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 4022000000421 its reverse (1240000002204), we get a palindrome (5262000002625).

The spelling of 4022000000421 in words is "four trillion, twenty-two billion, four hundred twenty-one", and thus it is an aban number.