1022321231 has 8 divisors (see below), whose sum is σ = 1090247760. Its totient is φ = 955260288.

The previous prime is 1022321221. The next prime is 1022321281. The reversal of 1022321231 is 1321232201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022321231 - 2¹⁰ = 1022320207 is a prime.

It is a super-2 number, since 2×1022321231² = 2090281398706710722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022321221) 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 7 ways as a sum of consecutive naturals, for example, 213956 + ... + 218681.

It is an arithmetic number, because the mean of its divisors is an integer number (136280970).

Almost surely, 2^1022321231 is an apocalyptic number.

1022321231 is a deficient number, since it is larger than the sum of its proper divisors (67926529).

1022321231 is a wasteful number, since it uses less digits than its factorization.

1022321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432793.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1022321231 is about 31973.7584747242. The cubic root of 1022321231 is about 1007.3857270743.

Adding to 1022321231 its reverse (1321232201), we get a palindrome (2343553432).

The spelling of 1022321231 in words is "one billion, twenty-two million, three hundred twenty-one thousand, two hundred thirty-one".