4022222020 has 24 divisors (see below), whose sum is σ = 8525611584. Its totient is φ = 1593851616.

The previous prime is 4022222003. The next prime is 4022222023. The reversal of 4022222020 is 202222204.

It is a junction number, because it is equal to n+sod(n) for n = 4022221985 and 4022222003.

It is not an unprimeable number, because it can be changed into a prime (4022222023) 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, 937632 + ... + 941911.

It is an arithmetic number, because the mean of its divisors is an integer number (355233816).

Almost surely, 2^4022222020 is an apocalyptic number.

It is an amenable number.

4022222020 is an abundant number, since it is smaller than the sum of its proper divisors (4503389564).

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

4022222020 is a wasteful number, since it uses less digits than its factorization.

4022222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879659 (or 1879657 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4022222020 is about 63420.9903738502. The cubic root of 4022222020 is about 1590.3352298715.

Adding to 4022222020 its reverse (202222204), we get a palindrome (4224444224).

The spelling of 4022222020 in words is "four billion, twenty-two million, two hundred twenty-two thousand, twenty".