1122663264 has 144 divisors (see below), whose sum is σ = 3126949056. Its totient is φ = 352477440.

The previous prime is 1122663263. The next prime is 1122663301. The reversal of 1122663264 is 4623662211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122663263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3966867 + ... + 3967149.

It is an arithmetic number, because the mean of its divisors is an integer number (21714924).

Almost surely, 2^1122663264 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 1122663264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563474528).

1122663264 is an abundant number, since it is smaller than the sum of its proper divisors (2004285792).

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

1122663264 is a wasteful number, since it uses less digits than its factorization.

1122663264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 362 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 1122663264 is about 33506.1675516613. The cubic root of 1122663264 is about 1039.3213224947.

The spelling of 1122663264 in words is "one billion, one hundred twenty-two million, six hundred sixty-three thousand, two hundred sixty-four".