202011222 has 64 divisors (see below), whose sum is σ = 476236800. Its totient is φ = 57097152.

The previous prime is 202011209. The next prime is 202011241. The reversal of 202011222 is 222110202.

It is a junction number, because it is equal to n+sod(n) for n = 202011198 and 202011207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211498 + ... + 212450.

It is an arithmetic number, because the mean of its divisors is an integer number (7441200).

Almost surely, 2^202011222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238118400).

202011222 is an abundant number, since it is smaller than the sum of its proper divisors (274225578).

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

202011222 is a wasteful number, since it uses less digits than its factorization.

202011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202011222 is about 14213.0651866513. The cubic root of 202011222 is about 586.7572961025.

Adding to 202011222 its reverse (222110202), we get a palindrome (424121424).

The spelling of 202011222 in words is "two hundred two million, eleven thousand, two hundred twenty-two".