1022312223 has 12 divisors (see below), whose sum is σ = 1482854880. Its totient is φ = 678688416.

The previous prime is 1022312209. The next prime is 1022312267. The reversal of 1022312223 is 3222132201.

It is not a de Polignac number, because 1022312223 - 2²⁴ = 1005535007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022312196 and 1022312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022312273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235486 + ... + 239787.

It is an arithmetic number, because the mean of its divisors is an integer number (123571240).

Almost surely, 2^1022312223 is an apocalyptic number.

1022312223 is a deficient number, since it is larger than the sum of its proper divisors (460542657).

1022312223 is a wasteful number, since it uses less digits than its factorization.

1022312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475518 (or 475515 counting only the distinct ones).

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

The square root of 1022312223 is about 31973.6176088975. The cubic root of 1022312223 is about 1007.3827682661.

Adding to 1022312223 its reverse (3222132201), we get a palindrome (4244444424).

It can be divided in two parts, 102 and 2312223, that added together give a triangular number (2312325 = T₂₁₅₀).

The spelling of 1022312223 in words is "one billion, twenty-two million, three hundred twelve thousand, two hundred twenty-three".