1228551484 has 24 divisors (see below), whose sum is σ = 2163088928. Its totient is φ = 610536960.

The previous prime is 1228551469. The next prime is 1228551487. The reversal of 1228551484 is 4841558221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228551487) 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, 699952 + ... + 701704.

Almost surely, 2^1228551484 is an apocalyptic number.

It is an amenable number.

1228551484 is a deficient number, since it is larger than the sum of its proper divisors (934537444).

1228551484 is a wasteful number, since it uses less digits than its factorization.

1228551484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2723 counting only the distinct ones).

The product of its digits is 102400, while the sum is 40.

The square root of 1228551484 is about 35050.6987662158. The cubic root of 1228551484 is about 1071.0205083191.

The spelling of 1228551484 in words is "one billion, two hundred twenty-eight million, five hundred fifty-one thousand, four hundred eighty-four".