1022320231 has 4 divisors (see below), whose sum is σ = 1023715672. Its totient is φ = 1020924792.

The previous prime is 1022320223. The next prime is 1022320253. The reversal of 1022320231 is 1320232201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320232201 = 691 ⋅1910611.

It is a cyclic number.

It is not a de Polignac number, because 1022320231 - 2³ = 1022320223 is a prime.

It is a super-2 number, since 2×1022320231² = 2090277309423786722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022320291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696621 + ... + 698086.

It is an arithmetic number, because the mean of its divisors is an integer number (255928918).

Almost surely, 2^1022320231 is an apocalyptic number.

1022320231 is a deficient number, since it is larger than the sum of its proper divisors (1395441).

1022320231 is an equidigital number, since it uses as much as digits as its factorization.

1022320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395440.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022320231 is about 31973.7428368967. The cubic root of 1022320231 is about 1007.3853986107.

Adding to 1022320231 its reverse (1320232201), we get a palindrome (2342552432).

The spelling of 1022320231 in words is "one billion, twenty-two million, three hundred twenty thousand, two hundred thirty-one".