11747222 has 4 divisors (see below), whose sum is σ = 17620836. Its totient is φ = 5873610.

The previous prime is 11747207. The next prime is 11747231. The reversal of 11747222 is 22274711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22274711 = 1277 ⋅17443.

It is a junction number, because it is equal to n+sod(n) for n = 11747191 and 11747200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2936804 + ... + 2936807.

It is an arithmetic number, because the mean of its divisors is an integer number (4405209).

Almost surely, 2^11747222 is an apocalyptic number.

11747222 is a deficient number, since it is larger than the sum of its proper divisors (5873614).

11747222 is an equidigital number, since it uses as much as digits as its factorization.

11747222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873613.

The product of its digits is 1568, while the sum is 26.

The square root of 11747222 is about 3427.4220633006. The cubic root of 11747222 is about 227.3238793082.

The spelling of 11747222 in words is "eleven million, seven hundred forty-seven thousand, two hundred twenty-two".