1222890112279 has 16 divisors (see below), whose sum is σ = 1412573329440. Its totient is φ = 1046295567360.

The previous prime is 1222890112277. The next prime is 1222890112289. The reversal of 1222890112279 is 9722110982221.

It is not a de Polignac number, because 1222890112279 - 2¹ = 1222890112277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222890112277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10547677 + ... + 10662985.

It is an arithmetic number, because the mean of its divisors is an integer number (88285833090).

Almost surely, 2^{1222890112279} is an apocalyptic number.

1222890112279 is a deficient number, since it is larger than the sum of its proper divisors (189683217161).

1222890112279 is a wasteful number, since it uses less digits than its factorization.

1222890112279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172050.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 1222890112279 in words is "one trillion, two hundred twenty-two billion, eight hundred ninety million, one hundred twelve thousand, two hundred seventy-nine".