1222234557895 has 32 divisors (see below), whose sum is σ = 1598749129152. Its totient is φ = 891578437632.

The previous prime is 1222234557889. The next prime is 1222234557937. The reversal of 1222234557895 is 5987554322221.

It is a cyclic number.

It is not a de Polignac number, because 1222234557895 - 2¹¹ = 1222234555847 is a prime.

It is a super-2 number, since 2×1222234557895² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 67843909 + ... + 67861921.

It is an arithmetic number, because the mean of its divisors is an integer number (49960910286).

Almost surely, 2^{1222234557895} is an apocalyptic number.

1222234557895 is a deficient number, since it is larger than the sum of its proper divisors (376514571257).

1222234557895 is a wasteful number, since it uses less digits than its factorization.

1222234557895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30691.

The product of its digits is 12096000, while the sum is 55.

The spelling of 1222234557895 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-four million, five hundred fifty-seven thousand, eight hundred ninety-five".