1228552447 has 8 divisors (see below), whose sum is σ = 1302800112. Its totient is φ = 1154524800.

The previous prime is 1228552427. The next prime is 1228552469. The reversal of 1228552447 is 7442558221.

It is a happy number.

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 1228552447 - 2²⁷ = 1094334719 is a prime.

It is a super-2 number, since 2×1228552447² = 3018682230059375618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228552427) 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, 43429 + ... + 65902.

It is an arithmetic number, because the mean of its divisors is an integer number (162850014).

Almost surely, 2^1228552447 is an apocalyptic number.

1228552447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1228552447 is a deficient number, since it is larger than the sum of its proper divisors (74247665).

1228552447 is a wasteful number, since it uses less digits than its factorization.

1228552447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110009.

The product of its digits is 179200, while the sum is 40.

The square root of 1228552447 is about 35050.7125034570. The cubic root of 1228552447 is about 1071.0207881588.

The spelling of 1228552447 in words is "one billion, two hundred twenty-eight million, five hundred fifty-two thousand, four hundred forty-seven".