202022250 has 64 divisors (see below), whose sum is σ = 530824320. Its totient is φ = 51033600.

The previous prime is 202022221. The next prime is 202022251. The reversal of 202022250 is 52220202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (202022251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7162 + ... + 21338.

It is an arithmetic number, because the mean of its divisors is an integer number (8294130).

Almost surely, 2^202022250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202022250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265412160).

202022250 is an abundant number, since it is smaller than the sum of its proper divisors (328802070).

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

202022250 is a wasteful number, since it uses less digits than its factorization.

202022250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14216 (or 14206 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 202022250 is about 14213.4531342668. The cubic root of 202022250 is about 586.7679731360.

Adding to 202022250 its reverse (52220202), we get a palindrome (254242452).

The spelling of 202022250 in words is "two hundred two million, twenty-two thousand, two hundred fifty".