1122662556 has 18 divisors (see below), whose sum is σ = 2837841552. Its totient is φ = 374220840.

The previous prime is 1122662549. The next prime is 1122662581. The reversal of 1122662556 is 6552662211.

1122662556 is a `hidden beast` number, since 1 + 1 + 2 + 26 + 625 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 31185071 = 1122662556 / (1 + 1 + 2 + 2 + 6 + 6 + 2 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1122662556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15592500 + ... + 15592571.

It is an arithmetic number, because the mean of its divisors is an integer number (157657864).

Almost surely, 2^1122662556 is an apocalyptic number.

It is an amenable number.

1122662556 is an abundant number, since it is smaller than the sum of its proper divisors (1715178996).

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

1122662556 is a wasteful number, since it uses less digits than its factorization.

1122662556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31185081 (or 31185076 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1122662556 is about 33506.1569864406. The cubic root of 1122662556 is about 1039.3211040143.

The spelling of 1122662556 in words is "one billion, one hundred twenty-two million, six hundred sixty-two thousand, five hundred fifty-six".