1226601436 has 24 divisors (see below), whose sum is σ = 2165592240. Its totient is φ = 607880832.

The previous prime is 1226601421. The next prime is 1226601437. The reversal of 1226601436 is 6341066221.

It is a junction number, because it is equal to n+sod(n) for n = 1226601398 and 1226601407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226601437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276000 + ... + 280408.

It is an arithmetic number, because the mean of its divisors is an integer number (90233010).

Almost surely, 2^1226601436 is an apocalyptic number.

It is an amenable number.

1226601436 is a deficient number, since it is larger than the sum of its proper divisors (938990804).

1226601436 is a wasteful number, since it uses less digits than its factorization.

1226601436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1226601436 is about 35022.8701850662. The cubic root of 1226601436 is about 1070.4535405168.

Adding to 1226601436 its reverse (6341066221), we get a palindrome (7567667657).

The spelling of 1226601436 in words is "one billion, two hundred twenty-six million, six hundred one thousand, four hundred thirty-six".