202222121024 has 112 divisors (see below), whose sum is σ = 501884899200. Its totient is φ = 78538690560.

The previous prime is 202222121021. The next prime is 202222121029. The reversal of 202222121024 is 420121222202.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 202222120987 and 202222121005.

It is not an unprimeable number, because it can be changed into a prime (202222121021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1497452 + ... + 1626900.

Almost surely, 2^202222121024 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 202222121024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250942449600).

202222121024 is an abundant number, since it is smaller than the sum of its proper divisors (299662778176).

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

202222121024 is a wasteful number, since it uses less digits than its factorization.

202222121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129796 (or 129786 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202222121024 its reverse (420121222202), we get a palindrome (622343343226).

The spelling of 202222121024 in words is "two hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-four".