1111223369 has 6 divisors (see below), whose sum is σ = 1138989150. Its totient is φ = 1084118720.

The previous prime is 1111223359. The next prime is 1111223371. The reversal of 1111223369 is 9633221111.

It can be written as a sum of positive squares in 3 ways, for example, as 67158025 + 1044065344 = 8195^2 + 32312^2 .

It is not a de Polignac number, because 1111223369 - 2⁴ = 1111223353 is a prime.

It is a super-2 number, since 2×1111223369² = 2469634751623420322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1111223359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328844 + ... + 332205.

It is an arithmetic number, because the mean of its divisors is an integer number (189831525).

Almost surely, 2^1111223369 is an apocalyptic number.

It is an amenable number.

1111223369 is a deficient number, since it is larger than the sum of its proper divisors (27765781).

1111223369 is an frugal number, since it uses more digits than its factorization.

1111223369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661131 (or 661090 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 1111223369 is about 33335.0171591376. The cubic root of 1111223369 is about 1035.7790486128.

The spelling of 1111223369 in words is "one billion, one hundred eleven million, two hundred twenty-three thousand, three hundred sixty-nine".