202434221022 has 64 divisors (see below), whose sum is σ = 456693811200. Its totient is φ = 59264409600.

The previous prime is 202434220999. The next prime is 202434221029. The reversal of 202434221022 is 220122434202.

It is a super-2 number, since 2×202434221022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202434220983 and 202434221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202434221029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129854 + ... + 1296702.

It is an arithmetic number, because the mean of its divisors is an integer number (7135840800).

Almost surely, 2^202434221022 is an apocalyptic number.

202434221022 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 202434221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228346905600).

202434221022 is an abundant number, since it is smaller than the sum of its proper divisors (254259590178).

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

202434221022 is a wasteful number, since it uses less digits than its factorization.

202434221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167489.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202434221022 its reverse (220122434202), we get a palindrome (422556655224).

The spelling of 202434221022 in words is "two hundred two billion, four hundred thirty-four million, two hundred twenty-one thousand, twenty-two".