1155635226 has 48 divisors (see below), whose sum is σ = 2543049600. Its totient is φ = 379214784.

The previous prime is 1155635189. The next prime is 1155635237. The reversal of 1155635226 is 6225365511.

1155635226 is a `hidden beast` number, since 1 + 15 + 5 + 635 + 2 + 2 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580605 + ... + 582591.

It is an arithmetic number, because the mean of its divisors is an integer number (52980200).

Almost surely, 2^1155635226 is an apocalyptic number.

1155635226 is an abundant number, since it is smaller than the sum of its proper divisors (1387414374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155635226 is a wasteful number, since it uses less digits than its factorization.

1155635226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2480 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 1155635226 is about 33994.6352532278. The cubic root of 1155635226 is about 1049.3980604307.

The spelling of 1155635226 in words is "one billion, one hundred fifty-five million, six hundred thirty-five thousand, two hundred twenty-six".