1022231111 has 6 divisors (see below), whose sum is σ = 1123609536. Its totient is φ = 929300900.

The previous prime is 1022231099. The next prime is 1022231137. The reversal of 1022231111 is 1111322201.

1022231111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022231111 - 2⁶ = 1022231047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022231611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4223975 + ... + 4224216.

It is an arithmetic number, because the mean of its divisors is an integer number (187268256).

Almost surely, 2^1022231111 is an apocalyptic number.

1022231111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022231111 is a deficient number, since it is larger than the sum of its proper divisors (101378425).

1022231111 is an equidigital number, since it uses as much as digits as its factorization.

1022231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448213 (or 8448202 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1022231111 is about 31972.3491629877. The cubic root of 1022231111 is about 1007.3561250710.

Adding to 1022231111 its reverse (1111322201), we get a palindrome (2133553312).

The spelling of 1022231111 in words is "one billion, twenty-two million, two hundred thirty-one thousand, one hundred eleven".