4006020222 has 12 divisors (see below), whose sum is σ = 8679710520. Its totient is φ = 1335340068.

The previous prime is 4006020181. The next prime is 4006020247. The reversal of 4006020222 is 2220206004.

It is a happy number.

4006020222 is a `hidden beast` number, since 40 + 0 + 602 + 0 + 2 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 222556679 = 4006020222 / (4 + 0 + 0 + 6 + 0 + 2 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4006020195 and 4006020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111278322 + ... + 111278357.

It is an arithmetic number, because the mean of its divisors is an integer number (723309210).

Almost surely, 2^4006020222 is an apocalyptic number.

4006020222 is an abundant number, since it is smaller than the sum of its proper divisors (4673690298).

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

4006020222 is a wasteful number, since it uses less digits than its factorization.

4006020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222556687 (or 222556684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4006020222 is about 63293.1293427652. The cubic root of 4006020222 is about 1588.1970283334.

Adding to 4006020222 its reverse (2220206004), we get a palindrome (6226226226).

The spelling of 4006020222 in words is "four billion, six million, twenty thousand, two hundred twenty-two".