1371233228 has 12 divisors (see below), whose sum is σ = 2503991280. Its totient is φ = 655807152.

The previous prime is 1371233221. The next prime is 1371233273. The reversal of 1371233228 is 8223321731.

It is a junction number, because it is equal to n+sod(n) for n = 1371233194 and 1371233203.

It is not an unprimeable number, because it can be changed into a prime (1371233221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7452263 + ... + 7452446.

It is an arithmetic number, because the mean of its divisors is an integer number (208665940).

Almost surely, 2^1371233228 is an apocalyptic number.

It is an amenable number.

1371233228 is a deficient number, since it is larger than the sum of its proper divisors (1132758052).

1371233228 is a wasteful number, since it uses less digits than its factorization.

1371233228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904736 (or 14904734 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 1371233228 is about 37030.1664592532. The cubic root of 1371233228 is about 1110.9736953066.

Adding to 1371233228 its reverse (8223321731), we get a palindrome (9594554959).

The spelling of 1371233228 in words is "one billion, three hundred seventy-one million, two hundred thirty-three thousand, two hundred twenty-eight".