10202232222 has 288 divisors, whose sum is σ = 29368355328. Its totient is φ = 2499704064.

The previous prime is 10202232211. The next prime is 10202232223. The reversal of 10202232222 is 22223220201.

10202232222 is a `hidden beast` number, since 10 + 202 + 232 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10202232195 and 10202232204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202232223) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18120913 + ... + 18121475.

It is an arithmetic number, because the mean of its divisors is an integer number (101973456).

Almost surely, 2^10202232222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202232222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14684177664).

10202232222 is an abundant number, since it is smaller than the sum of its proper divisors (19166123106).

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

10202232222 is a wasteful number, since it uses less digits than its factorization.

10202232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10202232222 its reverse (22223220201), we get a palindrome (32425452423).

The spelling of 10202232222 in words is "ten billion, two hundred two million, two hundred thirty-two thousand, two hundred twenty-two".