1447229553 has 24 divisors (see below), whose sum is σ = 2448747360. Its totient is φ = 751806720.

The previous prime is 1447229549. The next prime is 1447229557. The reversal of 1447229553 is 3559227441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1447229549) and next prime (1447229557).

It is not a de Polignac number, because 1447229553 - 2² = 1447229549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1447229557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445888 + ... + 449121.

It is an arithmetic number, because the mean of its divisors is an integer number (102031140).

Almost surely, 2^1447229553 is an apocalyptic number.

It is an amenable number.

1447229553 is a deficient number, since it is larger than the sum of its proper divisors (1001517807).

1447229553 is a wasteful number, since it uses less digits than its factorization.

1447229553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895037 (or 895030 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 1447229553 is about 38042.4703850841. The cubic root of 1447229553 is about 1131.1298780382.

The spelling of 1447229553 in words is "one billion, four hundred forty-seven million, two hundred twenty-nine thousand, five hundred fifty-three".