4022224044021 has 12 divisors (see below), whose sum is σ = 5944992644448. Its totient is φ = 2619122633064.

The previous prime is 4022224044017. The next prime is 4022224044031. The reversal of 4022224044021 is 1204404222204.

It is not a de Polignac number, because 4022224044021 - 2² = 4022224044017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022224044031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5196671505 + ... + 5196672278.

It is an arithmetic number, because the mean of its divisors is an integer number (495416053704).

Almost surely, 2^{4022224044021} is an apocalyptic number.

It is an amenable number.

4022224044021 is a deficient number, since it is larger than the sum of its proper divisors (1922768600427).

4022224044021 is a wasteful number, since it uses less digits than its factorization.

4022224044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393343832 (or 10393343829 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 4022224044021 its reverse (1204404222204), we get a palindrome (5226628266225).

The spelling of 4022224044021 in words is "four trillion, twenty-two billion, two hundred twenty-four million, forty-four thousand, twenty-one".