4021022412 has 60 divisors (see below), whose sum is σ = 11467370376. Its totient is φ = 1218490560.

The previous prime is 4021022389. The next prime is 4021022419. The reversal of 4021022412 is 2142201204.

4021022412 is a `hidden beast` number, since 40 + 210 + 2 + 2 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4021022419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 560553 + ... + 567680.

Almost surely, 2^4021022412 is an apocalyptic number.

It is an amenable number.

4021022412 is an abundant number, since it is smaller than the sum of its proper divisors (7446347964).

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

4021022412 is a wasteful number, since it uses less digits than its factorization.

4021022412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128260 (or 1128249 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4021022412 is about 63411.5321688413. The cubic root of 4021022412 is about 1590.1771109223.

Adding to 4021022412 its reverse (2142201204), we get a palindrome (6163223616).

The spelling of 4021022412 in words is "four billion, twenty-one million, twenty-two thousand, four hundred twelve".