1092220791 has 8 divisors (see below), whose sum is σ = 1458847104. Its totient is φ = 726870840.

The previous prime is 1092220781. The next prime is 1092220837. The reversal of 1092220791 is 1970222901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1092220791 - 2⁷ = 1092220663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092220721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317091 + ... + 320516.

It is an arithmetic number, because the mean of its divisors is an integer number (182355888).

Almost surely, 2^1092220791 is an apocalyptic number.

1092220791 is a deficient number, since it is larger than the sum of its proper divisors (366626313).

1092220791 is an equidigital number, since it uses as much as digits as its factorization.

1092220791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638181.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 1092220791 is about 33048.7638346732. The cubic root of 1092220791 is about 1029.8409252560.

It can be divided in two parts, 10922 and 20791, that added together give a palindrome (31713).

The spelling of 1092220791 in words is "one billion, ninety-two million, two hundred twenty thousand, seven hundred ninety-one".