1228907352 has 32 divisors (see below), whose sum is σ = 3073158000. Its totient is φ = 409517184.

The previous prime is 1228907347. The next prime is 1228907353. The reversal of 1228907352 is 2537098221.

1228907352 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1228907352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228907353) 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, 126774 + ... + 136122.

Almost surely, 2^1228907352 is an apocalyptic number.

1228907352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1228907352 is an abundant number, since it is smaller than the sum of its proper divisors (1844250648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1228907352 is a wasteful number, since it uses less digits than its factorization.

1228907352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14835 (or 14831 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1228907352 is about 35055.7748737637. The cubic root of 1228907352 is about 1071.1239106147.

The spelling of 1228907352 in words is "one billion, two hundred twenty-eight million, nine hundred seven thousand, three hundred fifty-two".