11222743 has 4 divisors (see below), whose sum is σ = 12826000. Its totient is φ = 9619488.

The previous prime is 11222741. The next prime is 11222753. The reversal of 11222743 is 34722211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34722211 = 17 ⋅2042483.

It is a cyclic number.

It is not a de Polignac number, because 11222743 - 2¹ = 11222741 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 (11222741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801618 + ... + 801631.

It is an arithmetic number, because the mean of its divisors is an integer number (3206500).

Almost surely, 2^11222743 is an apocalyptic number.

11222743 is a deficient number, since it is larger than the sum of its proper divisors (1603257).

11222743 is an equidigital number, since it uses as much as digits as its factorization.

11222743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603256.

The product of its digits is 672, while the sum is 22.

The square root of 11222743 is about 3350.0362684604. The cubic root of 11222743 is about 223.8891285396.

Adding to 11222743 its reverse (34722211), we get a palindrome (45944954).

It can be divided in two parts, 112 and 22743, that multiplied together give a square (2547216 = 1596²).

The spelling of 11222743 in words is "eleven million, two hundred twenty-two thousand, seven hundred forty-three".