1350221252 has 24 divisors (see below), whose sum is σ = 2400468000. Its totient is φ = 664392960.

The previous prime is 1350221239. The next prime is 1350221267. The reversal of 1350221252 is 2521220531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400052 + ... + 403412.

It is an arithmetic number, because the mean of its divisors is an integer number (100019500).

Almost surely, 2^1350221252 is an apocalyptic number.

It is an amenable number.

1350221252 is a deficient number, since it is larger than the sum of its proper divisors (1050246748).

1350221252 is a wasteful number, since it uses less digits than its factorization.

1350221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931 (or 4929 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1350221252 is about 36745.3568767538. The cubic root of 1350221252 is about 1105.2698240227.

Adding to 1350221252 its reverse (2521220531), we get a palindrome (3871441783).

The spelling of 1350221252 in words is "one billion, three hundred fifty million, two hundred twenty-one thousand, two hundred fifty-two".