4021340022 has 48 divisors (see below), whose sum is σ = 10169482752. Its totient is φ = 1124506800.

The previous prime is 4021339999. The next prime is 4021340053. The reversal of 4021340022 is 2200431204.

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

It is a junction number, because it is equal to n+sod(n) for n = 4021339977 and 4021340004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333604 + ... + 345447.

It is an arithmetic number, because the mean of its divisors is an integer number (211864224).

Almost surely, 2^4021340022 is an apocalyptic number.

4021340022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4021340022 is an abundant number, since it is smaller than the sum of its proper divisors (6148142730).

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

4021340022 is a wasteful number, since it uses less digits than its factorization.

4021340022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679113 (or 679110 counting only the distinct ones).

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

The square root of 4021340022 is about 63414.0364745850. The cubic root of 4021340022 is about 1590.2189777912.

Adding to 4021340022 its reverse (2200431204), we get a palindrome (6221771226).

The spelling of 4021340022 in words is "four billion, twenty-one million, three hundred forty thousand, twenty-two".