222012250452 has 36 divisors (see below), whose sum is σ = 567503232660. Its totient is φ = 73172575872.

The previous prime is 222012250403. The next prime is 222012250463. The reversal of 222012250452 is 254052210222.

It is a happy number.

222012250452 is a `hidden beast` number, since 2 + 2 + 201 + 2 + 2 + 5 + 0 + 452 = 666.

222012250452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55641261456 + 166370988996 = 235884^2 + 407886^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34642903 + ... + 34649310.

It is an arithmetic number, because the mean of its divisors is an integer number (15763978685).

Almost surely, 2^222012250452 is an apocalyptic number.

It is an amenable number.

222012250452 is an abundant number, since it is smaller than the sum of its proper divisors (345490982208).

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

222012250452 is a wasteful number, since it uses less digits than its factorization.

222012250452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69292312 (or 69292307 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 222012250452 its reverse (254052210222), we get a palindrome (476064460674).

The spelling of 222012250452 in words is "two hundred twenty-two billion, twelve million, two hundred fifty thousand, four hundred fifty-two".