1222487634305 has 32 divisors (see below), whose sum is σ = 1706227303680. Its totient is φ = 823461765120.

The previous prime is 1222487634299. The next prime is 1222487634307. The reversal of 1222487634305 is 5034367842221.

It is not a de Polignac number, because 1222487634305 - 2¹⁴ = 1222487617921 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222487634305.

It is not an unprimeable number, because it can be changed into a prime (1222487634307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2592977 + ... + 3027953.

It is an arithmetic number, because the mean of its divisors is an integer number (53319603240).

Almost surely, 2^{1222487634305} is an apocalyptic number.

It is an amenable number.

1222487634305 is a deficient number, since it is larger than the sum of its proper divisors (483739669375).

1222487634305 is a wasteful number, since it uses less digits than its factorization.

1222487634305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436409.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 1222487634305 in words is "one trillion, two hundred twenty-two billion, four hundred eighty-seven million, six hundred thirty-four thousand, three hundred five".