202224222 has 64 divisors (see below), whose sum is σ = 468633600. Its totient is φ = 64566720.

The previous prime is 202224199. The next prime is 202224233. The reversal of 202224222 is 222422202.

It is a happy number.

202224222 is a `hidden beast` number, since 20 + 222 + 422 + 2 = 666.

202224222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 202224195 and 202224204.

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, 178554 + ... + 179682.

It is an arithmetic number, because the mean of its divisors is an integer number (7322400).

Almost surely, 2^202224222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202224222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234316800).

202224222 is an abundant number, since it is smaller than the sum of its proper divisors (266409378).

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

202224222 is a wasteful number, since it uses less digits than its factorization.

202224222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 202224222 is about 14220.5563182317. The cubic root of 202224222 is about 586.9634486826.

Adding to 202224222 its reverse (222422202), we get a palindrome (424646424).

It can be divided in two parts, 2022 and 24222, that added together give a square (26244 = 162²).

The spelling of 202224222 in words is "two hundred two million, two hundred twenty-four thousand, two hundred twenty-two".