1228801352 has 8 divisors (see below), whose sum is σ = 2304002550. Its totient is φ = 614400672.

The previous prime is 1228801349. The next prime is 1228801367. The reversal of 1228801352 is 2531088221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1222621156 + 6180196 = 34966^2 + 2486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1228801352³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76800077 + ... + 76800092.

Almost surely, 2^1228801352 is an apocalyptic number.

It is an amenable number.

1228801352 is a deficient number, since it is larger than the sum of its proper divisors (1075201198).

1228801352 is a wasteful number, since it uses less digits than its factorization.

1228801352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153600175 (or 153600171 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1228801352 is about 35054.2629647237. The cubic root of 1228801352 is about 1071.0931129583.

Adding to 1228801352 its reverse (2531088221), we get a palindrome (3759889573).

The spelling of 1228801352 in words is "one billion, two hundred twenty-eight million, eight hundred one thousand, three hundred fifty-two".