11222278334 has 4 divisors (see below), whose sum is σ = 16833417504. Its totient is φ = 5611139166.

The previous prime is 11222278231. The next prime is 11222278337. The reversal of 11222278334 is 43387222211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43387222211 = 83 ⋅522737617.

It is a junction number, because it is equal to n+sod(n) for n = 11222278294 and 11222278303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222278337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805569582 + ... + 2805569585.

It is an arithmetic number, because the mean of its divisors is an integer number (4208354376).

Almost surely, 2^11222278334 is an apocalyptic number.

11222278334 is a deficient number, since it is larger than the sum of its proper divisors (5611139170).

11222278334 is an equidigital number, since it uses as much as digits as its factorization.

11222278334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611139169.

The product of its digits is 32256, while the sum is 35.

The spelling of 11222278334 in words is "eleven billion, two hundred twenty-two million, two hundred seventy-eight thousand, three hundred thirty-four".