1022221313313 has 32 divisors (see below), whose sum is σ = 1455627534336. Its totient is φ = 635849803008.

The previous prime is 1022221313249. The next prime is 1022221313329. The reversal of 1022221313313 is 3133131222201.

It is not a de Polignac number, because 1022221313313 - 2⁶ = 1022221313249 is a prime.

It is a super-2 number, since 2×1022221313313² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022221312313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8378970 + ... + 8500092.

It is an arithmetic number, because the mean of its divisors is an integer number (45488360448).

Almost surely, 2^{1022221313313} is an apocalyptic number.

It is an amenable number.

1022221313313 is a deficient number, since it is larger than the sum of its proper divisors (433406221023).

1022221313313 is a wasteful number, since it uses less digits than its factorization.

1022221313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122573.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1022221313313 its reverse (3133131222201), we get a palindrome (4155352535514).

The spelling of 1022221313313 in words is "one trillion, twenty-two billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred thirteen".