2236422091 has 2 divisors, whose sum is σ = 2236422092. Its totient is φ = 2236422090.

The previous prime is 2236422053. The next prime is 2236422109. The reversal of 2236422091 is 1902246322.

2236422091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (2236422109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2236422091 - 2²⁵ = 2202867659 is a prime.

It is a super-2 number, since 2×2236422091² = 10003167538225624562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2236428091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118211045 + 1118211046.

It is an arithmetic number, because the mean of its divisors is an integer number (1118211046).

Almost surely, 2^2236422091 is an apocalyptic number.

2236422091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236422091 is an equidigital number, since it uses as much as digits as its factorization.

2236422091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2236422091 is about 47290.8245963210. The cubic root of 2236422091 is about 1307.7295113120.

The spelling of 2236422091 in words is "two billion, two hundred thirty-six million, four hundred twenty-two thousand, ninety-one".