202222000000 has 112 divisors (see below), whose sum is σ = 503578710360. Its totient is φ = 80888000000.

The previous prime is 202221999911. The next prime is 202222000003. The reversal of 202222000000 is 222202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222000003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1949445 + ... + 2050555.

Almost surely, 2^202222000000 is an apocalyptic number.

202222000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202222000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251789355180).

202222000000 is an abundant number, since it is smaller than the sum of its proper divisors (301356710360).

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

202222000000 is an frugal number, since it uses more digits than its factorization.

202222000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101155 (or 101118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 202222000000 its reverse (222202), we get a palindrome (202222222202).

The spelling of 202222000000 in words is "two hundred two billion, two hundred twenty-two million", and thus it is an aban number.