1227225529 has 8 divisors (see below), whose sum is σ = 1299721248. Its totient is φ = 1154763840.

The previous prime is 1227225481. The next prime is 1227225553. The reversal of 1227225529 is 9255227221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1227225529 - 2⁷ = 1227225401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1227225569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136594 + ... + 145300.

It is an arithmetic number, because the mean of its divisors is an integer number (162465156).

Almost surely, 2^1227225529 is an apocalyptic number.

It is an amenable number.

1227225529 is a deficient number, since it is larger than the sum of its proper divisors (72495719).

1227225529 is an equidigital number, since it uses as much as digits as its factorization.

1227225529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17015.

The product of its digits is 50400, while the sum is 37.

The square root of 1227225529 is about 35031.7788443579. The cubic root of 1227225529 is about 1070.6350581287.

The spelling of 1227225529 in words is "one billion, two hundred twenty-seven million, two hundred twenty-five thousand, five hundred twenty-nine".