222294127887 has 12 divisors (see below), whose sum is σ = 345790865784. Its totient is φ = 136796386320.

The previous prime is 222294127871. The next prime is 222294127919. The reversal of 222294127887 is 788721492222.

222294127887 is a `hidden beast` number, since 2 + 2 + 2 + 294 + 1 + 278 + 87 = 666.

222294127887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222294127887 - 2⁴ = 222294127871 is a prime.

It is a super-2 number, since 2×222294127887² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222294127807) 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 in 11 ways as a sum of consecutive naturals, for example, 949974789 + ... + 949975022.

It is an arithmetic number, because the mean of its divisors is an integer number (28815905482).

Almost surely, 2^222294127887 is an apocalyptic number.

222294127887 is a deficient number, since it is larger than the sum of its proper divisors (123496737897).

222294127887 is a wasteful number, since it uses less digits than its factorization.

222294127887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899949830 (or 1899949827 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 222294127887 in words is "two hundred twenty-two billion, two hundred ninety-four million, one hundred twenty-seven thousand, eight hundred eighty-seven".