222222022012091 has 4 divisors (see below), whose sum is σ = 222230179670184. Its totient is φ = 222213864354000.

The previous prime is 222222022012079. The next prime is 222222022012097. The reversal of 222222022012091 is 190210220222222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222222022012091 - 2²⁶ = 222221954903227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222222022012097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078788185 + ... + 4078842666.

It is an arithmetic number, because the mean of its divisors is an integer number (55557544917546).

Almost surely, 2^{222222022012091} is an apocalyptic number.

222222022012091 is a deficient number, since it is larger than the sum of its proper divisors (8157658093).

222222022012091 is an equidigital number, since it uses as much as digits as its factorization.

222222022012091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157658092.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 222222022012091 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-two million, twelve thousand, ninety-one".