1023231222 has 48 divisors (see below), whose sum is σ = 2491358688. Its totient is φ = 301150080.

The previous prime is 1023231203. The next prime is 1023231227. The reversal of 1023231222 is 2221323201.

It is a super-2 number, since 2×1023231222² = 2094004267351226568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1023231195 and 1023231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023231227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89679 + ... + 100442.

It is an arithmetic number, because the mean of its divisors is an integer number (51903306).

Almost surely, 2^1023231222 is an apocalyptic number.

1023231222 is an abundant number, since it is smaller than the sum of its proper divisors (1468127466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023231222 is a wasteful number, since it uses less digits than its factorization.

1023231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190165 (or 190162 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1023231222 is about 31987.9855883424. The cubic root of 1023231222 is about 1007.6845372906.

Adding to 1023231222 its reverse (2221323201), we get a palindrome (3244554423).

The spelling of 1023231222 in words is "one billion, twenty-three million, two hundred thirty-one thousand, two hundred twenty-two".