1122558272 has 112 divisors (see below), whose sum is σ = 2493459072. Its totient is φ = 497172480.

The previous prime is 1122558259. The next prime is 1122558287. The reversal of 1122558272 is 2728552211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8193788 + ... + 8193924.

Almost surely, 2^1122558272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122558272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246729536).

1122558272 is an abundant number, since it is smaller than the sum of its proper divisors (1370900800).

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

1122558272 is a wasteful number, since it uses less digits than its factorization.

1122558272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 366 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 1122558272 is about 33504.6007587018. The cubic root of 1122558272 is about 1039.2889222106.

The spelling of 1122558272 in words is "one billion, one hundred twenty-two million, five hundred fifty-eight thousand, two hundred seventy-two".