906226091 has 2 divisors, whose sum is σ = 906226092. Its totient is φ = 906226090.

The previous prime is 906226081. The next prime is 906226169. The reversal of 906226091 is 190622609.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906226091 is a prime.

It is not a weakly prime, because it can be changed into another prime (906226031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453113045 + 453113046.

It is an arithmetic number, because the mean of its divisors is an integer number (453113046).

Almost surely, 2^906226091 is an apocalyptic number.

906226091 is a deficient number, since it is larger than the sum of its proper divisors (1).

906226091 is an equidigital number, since it uses as much as digits as its factorization.

906226091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 906226091 is about 30103.5893374860. The cubic root of 906226091 is about 967.7106498486.

It can be divided in two parts, 9062 and 26091, that added together give a palindrome (35153).

The spelling of 906226091 in words is "nine hundred six million, two hundred twenty-six thousand, ninety-one".