1222700091 has 8 divisors (see below), whose sum is σ = 1631023680. Its totient is φ = 814754952.

The previous prime is 1222700081. The next prime is 1222700111. The reversal of 1222700091 is 1900072221.

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

It is not a de Polignac number, because 1222700091 - 2⁷ = 1222699963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222700071) 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, 86985 + ... + 100058.

It is an arithmetic number, because the mean of its divisors is an integer number (203877960).

Almost surely, 2^1222700091 is an apocalyptic number.

1222700091 is a deficient number, since it is larger than the sum of its proper divisors (408323589).

1222700091 is a wasteful number, since it uses less digits than its factorization.

1222700091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189225.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1222700091 is about 34967.1287211289. The cubic root of 1222700091 is about 1069.3174355249.

The spelling of 1222700091 in words is "one billion, two hundred twenty-two million, seven hundred thousand, ninety-one".