1122952280 has 32 divisors (see below), whose sum is σ = 2588271840. Its totient is φ = 438224640.

The previous prime is 1122952279. The next prime is 1122952301. The reversal of 1122952280 is 822592211.

It is a happy number.

It is a super-2 number, since 2×1122952280² = 2522043646314396800, which contains 22 as substring.

It is a congruent number.

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, 340724 + ... + 344003.

It is an arithmetic number, because the mean of its divisors is an integer number (80883495).

Almost surely, 2^1122952280 is an apocalyptic number.

1122952280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122952280 is an abundant number, since it is smaller than the sum of its proper divisors (1465319560).

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

1122952280 is a wasteful number, since it uses less digits than its factorization.

1122952280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684779 (or 684775 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1122952280 is about 33510.4801517376. The cubic root of 1122952280 is about 1039.4105017194.

The spelling of 1122952280 in words is "one billion, one hundred twenty-two million, nine hundred fifty-two thousand, two hundred eighty".