1112820722 has 12 divisors (see below), whose sum is σ = 1807511130. Its totient is φ = 513609408.

The previous prime is 1112820721. The next prime is 1112820773. The reversal of 1112820722 is 2270282111.

It can be written as a sum of positive squares in 3 ways, for example, as 908359321 + 204461401 = 30139^2 + 14299^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1112820691 and 1112820700.

It is not an unprimeable number, because it can be changed into a prime (1112820721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1645847 + ... + 1646522.

Almost surely, 2^1112820722 is an apocalyptic number.

1112820722 is a deficient number, since it is larger than the sum of its proper divisors (694690408).

1112820722 is a wasteful number, since it uses less digits than its factorization.

1112820722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292397 (or 3292384 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1112820722 is about 33358.9676399016. The cubic root of 1112820722 is about 1036.2751122849.

The spelling of 1112820722 in words is "one billion, one hundred twelve million, eight hundred twenty thousand, seven hundred twenty-two".