1022230331021 has 4 divisors (see below), whose sum is σ = 1023423132732. Its totient is φ = 1021037529312.

The previous prime is 1022230331009. The next prime is 1022230331027. The reversal of 1022230331021 is 1201330322201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 418518424900 + 603711906121 = 646930^2 + 776989^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022230331021 - 2¹⁸ = 1022230068877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022230330984 and 1022230331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022230331027) 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, 596399570 + ... + 596401283.

It is an arithmetic number, because the mean of its divisors is an integer number (255855783183).

Almost surely, 2^{1022230331021} is an apocalyptic number.

It is an amenable number.

1022230331021 is a deficient number, since it is larger than the sum of its proper divisors (1192801711).

1022230331021 is an equidigital number, since it uses as much as digits as its factorization.

1022230331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192801710.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1022230331021 its reverse (1201330322201), we get a palindrome (2223560653222).

The spelling of 1022230331021 in words is "one trillion, twenty-two billion, two hundred thirty million, three hundred thirty-one thousand, twenty-one".