2021222024332 has 72 divisors (see below), whose sum is σ = 4367644473024. Its totient is φ = 813228691968.

The previous prime is 2021222024303. The next prime is 2021222024347. The reversal of 2021222024332 is 2334202221202.

It is a junction number, because it is equal to n+sod(n) for n = 2021222024297 and 2021222024306.

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, 558813 + ... + 2086795.

It is an arithmetic number, because the mean of its divisors is an integer number (60661728792).

Almost surely, 2^{2021222024332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021222024332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2183822236512).

2021222024332 is an abundant number, since it is smaller than the sum of its proper divisors (2346422448692).

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

2021222024332 is a wasteful number, since it uses less digits than its factorization.

2021222024332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528415 (or 1528406 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2021222024332 its reverse (2334202221202), we get a palindrome (4355424245534).

The spelling of 2021222024332 in words is "two trillion, twenty-one billion, two hundred twenty-two million, twenty-four thousand, three hundred thirty-two".