222100412552 has 8 divisors (see below), whose sum is σ = 416438273550. Its totient is φ = 111050206272.

The previous prime is 222100412461. The next prime is 222100412557. The reversal of 222100412552 is 255214001222.

222100412552 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 only one way, i.e., 221037261316 + 1063151236 = 470146^2 + 32606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (222100412557) by changing a digit.

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 as a sum of consecutive naturals, namely, 13881275777 + ... + 13881275792.

Almost surely, 2^222100412552 is an apocalyptic number.

It is an amenable number.

222100412552 is a deficient number, since it is larger than the sum of its proper divisors (194337860998).

222100412552 is a wasteful number, since it uses less digits than its factorization.

222100412552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27762551575 (or 27762551571 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 222100412552 its reverse (255214001222), we get a palindrome (477314413774).

The spelling of 222100412552 in words is "two hundred twenty-two billion, one hundred million, four hundred twelve thousand, five hundred fifty-two".