1228455952 has 10 divisors (see below), whose sum is σ = 2380133438. Its totient is φ = 614227968.

The previous prime is 1228455947. The next prime is 1228455953. The reversal of 1228455952 is 2595548221.

It can be written as a sum of positive squares in only one way, i.e., 1087416576 + 141039376 = 32976^2 + 11876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1228455899 and 1228455908.

It is not an unprimeable number, because it can be changed into a prime (1228455953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38389233 + ... + 38389264.

Almost surely, 2^1228455952 is an apocalyptic number.

It is an amenable number.

1228455952 is a deficient number, since it is larger than the sum of its proper divisors (1151677486).

1228455952 is an equidigital number, since it uses as much as digits as its factorization.

1228455952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76778505 (or 76778499 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 1228455952 is about 35049.3359708854. The cubic root of 1228455952 is about 1070.9927467954.

The spelling of 1228455952 in words is "one billion, two hundred twenty-eight million, four hundred fifty-five thousand, nine hundred fifty-two".