1123226836 has 12 divisors (see below), whose sum is σ = 1970919412. Its totient is φ = 560107008.

The previous prime is 1123226809. The next prime is 1123226849. The reversal of 1123226836 is 6386223211.

It can be written as a sum of positive squares in 2 ways, for example, as 232562500 + 890664336 = 15250^2 + 29844^2 .

It is a super-2 number, since 2×1123226836² = 2523277050221141792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374925 + ... + 377908.

Almost surely, 2^1123226836 is an apocalyptic number.

It is an amenable number.

1123226836 is a deficient number, since it is larger than the sum of its proper divisors (847692576).

1123226836 is a wasteful number, since it uses less digits than its factorization.

1123226836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753210 (or 753208 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 1123226836 is about 33514.5764705449. The cubic root of 1123226836 is about 1039.4952049730.

The spelling of 1123226836 in words is "one billion, one hundred twenty-three million, two hundred twenty-six thousand, eight hundred thirty-six".