1022250412555 has 4 divisors (see below), whose sum is σ = 1226700495072. Its totient is φ = 817800330040.

The previous prime is 1022250412543. The next prime is 1022250412597. The reversal of 1022250412555 is 5552140522201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1022250412555 - 2⁵ = 1022250412523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022250412555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102225041251 + ... + 102225041260.

It is an arithmetic number, because the mean of its divisors is an integer number (306675123768).

Almost surely, 2^{1022250412555} is an apocalyptic number.

1022250412555 is a deficient number, since it is larger than the sum of its proper divisors (204450082517).

1022250412555 is an equidigital number, since it uses as much as digits as its factorization.

1022250412555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204450082516.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 1022250412555 its reverse (5552140522201), we get a palindrome (6574390934756).

The spelling of 1022250412555 in words is "one trillion, twenty-two billion, two hundred fifty million, four hundred twelve thousand, five hundred fifty-five".