2021452422 has 64 divisors (see below), whose sum is σ = 4769362944. Its totient is φ = 564247040.

The previous prime is 2021452421. The next prime is 2021452429. The reversal of 2021452422 is 2242541202.

It is a junction number, because it is equal to n+sod(n) for n = 2021452392 and 2021452401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021452421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33568 + ... + 71900.

It is an arithmetic number, because the mean of its divisors is an integer number (74521296).

Almost surely, 2^2021452422 is an apocalyptic number.

2021452422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021452422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2384681472).

2021452422 is an abundant number, since it is smaller than the sum of its proper divisors (2747910522).

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

2021452422 is a wasteful number, since it uses less digits than its factorization.

2021452422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38413.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2021452422 is about 44960.5651877287. The cubic root of 2021452422 is about 1264.4097653174.

Adding to 2021452422 its reverse (2242541202), we get a palindrome (4263993624).

The spelling of 2021452422 in words is "two billion, twenty-one million, four hundred fifty-two thousand, four hundred twenty-two".