1122281252 has 12 divisors (see below), whose sum is σ = 2009666736. Its totient is φ = 548090760.

The previous prime is 1122281239. The next prime is 1122281267. The reversal of 1122281252 is 2521822211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262274 + ... + 3262617.

It is an arithmetic number, because the mean of its divisors is an integer number (167472228).

Almost surely, 2^1122281252 is an apocalyptic number.

It is an amenable number.

1122281252 is a deficient number, since it is larger than the sum of its proper divisors (887385484).

1122281252 is a wasteful number, since it uses less digits than its factorization.

1122281252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524938 (or 6524936 counting only the distinct ones).

The product of its digits is 1280, while the sum is 26.

The square root of 1122281252 is about 33500.4664445139. The cubic root of 1122281252 is about 1039.2034247921.

The spelling of 1122281252 in words is "one billion, one hundred twenty-two million, two hundred eighty-one thousand, two hundred fifty-two".