1091822122 has 16 divisors (see below), whose sum is σ = 1685272032. Its totient is φ = 530122320.

The previous prime is 1091822071. The next prime is 1091822141. The reversal of 1091822122 is 2212281901.

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, 24597 + ... + 52807.

It is an arithmetic number, because the mean of its divisors is an integer number (105329502).

Almost surely, 2^1091822122 is an apocalyptic number.

1091822122 is a deficient number, since it is larger than the sum of its proper divisors (593449910).

1091822122 is a wasteful number, since it uses less digits than its factorization.

1091822122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28773.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1091822122 is about 33042.7317575288. The cubic root of 1091822122 is about 1029.7156100516.

The spelling of 1091822122 in words is "one billion, ninety-one million, eight hundred twenty-two thousand, one hundred twenty-two".