1222331023 has 8 divisors (see below), whose sum is σ = 1262376576. Its totient is φ = 1182324000.

The previous prime is 1222331017. The next prime is 1222331039. The reversal of 1222331023 is 3201332221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222331023 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 (1222331003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63873 + ... + 80773.

It is an arithmetic number, because the mean of its divisors is an integer number (157797072).

Almost surely, 2^1222331023 is an apocalyptic number.

1222331023 is a deficient number, since it is larger than the sum of its proper divisors (40045553).

1222331023 is a wasteful number, since it uses less digits than its factorization.

1222331023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19265.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1222331023 is about 34961.8509664463. The cubic root of 1222331023 is about 1069.2098347145.

Adding to 1222331023 its reverse (3201332221), we get a palindrome (4423663244).

It can be divided in two parts, 122233 and 1023, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 1222331023 in words is "one billion, two hundred twenty-two million, three hundred thirty-one thousand, twenty-three".