1228882546 has 4 divisors (see below), whose sum is σ = 1843323822. Its totient is φ = 614441272.

The previous prime is 1228882507. The next prime is 1228882547. The reversal of 1228882546 is 6452888221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1192942521 + 35940025 = 34539^2 + 5995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1228882496 and 1228882505.

It is not an unprimeable number, because it can be changed into a prime (1228882547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307220635 + ... + 307220638.

Almost surely, 2^1228882546 is an apocalyptic number.

1228882546 is a deficient number, since it is larger than the sum of its proper divisors (614441276).

1228882546 is an equidigital number, since it uses as much as digits as its factorization.

1228882546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614441275.

The product of its digits is 491520, while the sum is 46.

The square root of 1228882546 is about 35055.4210643661. The cubic root of 1228882546 is about 1071.1167035408.

The spelling of 1228882546 in words is "one billion, two hundred twenty-eight million, eight hundred eighty-two thousand, five hundred forty-six".