922040191 has 2 divisors, whose sum is σ = 922040192. Its totient is φ = 922040190.

The previous prime is 922040183. The next prime is 922040209. The reversal of 922040191 is 191040229.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (191040229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 922040191 - 2³ = 922040183 is a prime.

It is a super-2 number, since 2×922040191² = 1700316227638632962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (922040291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461020095 + 461020096.

It is an arithmetic number, because the mean of its divisors is an integer number (461020096).

Almost surely, 2^922040191 is an apocalyptic number.

922040191 is a deficient number, since it is larger than the sum of its proper divisors (1).

922040191 is an equidigital number, since it uses as much as digits as its factorization.

922040191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 922040191 is about 30365.1147042128. The cubic root of 922040191 is about 973.3072327424.

The spelling of 922040191 in words is "nine hundred twenty-two million, forty thousand, one hundred ninety-one".