222022452 has 12 divisors (see below), whose sum is σ = 518052416. Its totient is φ = 74007480.

The previous prime is 222022433. The next prime is 222022453. The reversal of 222022452 is 254220222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250924 + ... + 9250947.

Almost surely, 2^222022452 is an apocalyptic number.

It is an amenable number.

222022452 is an abundant number, since it is smaller than the sum of its proper divisors (296029964).

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

222022452 is a wasteful number, since it uses less digits than its factorization.

222022452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18501878 (or 18501876 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 222022452 is about 14900.4178464901. The cubic root of 222022452 is about 605.5253065695.

Adding to 222022452 its reverse (254220222), we get a palindrome (476242674).

The spelling of 222022452 in words is "two hundred twenty-two million, twenty-two thousand, four hundred fifty-two".