1022620313213 has 4 divisors (see below), whose sum is σ = 1037023416288. Its totient is φ = 1008217210140.

The previous prime is 1022620313177. The next prime is 1022620313237. The reversal of 1022620313213 is 3123130262201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022620313213 - 2⁸ = 1022620312957 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 (1022620313263) 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, 7201551431 + ... + 7201551572.

It is an arithmetic number, because the mean of its divisors is an integer number (259255854072).

Almost surely, 2^{1022620313213} is an apocalyptic number.

It is an amenable number.

1022620313213 is a deficient number, since it is larger than the sum of its proper divisors (14403103075).

1022620313213 is an equidigital number, since it uses as much as digits as its factorization.

1022620313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14403103074.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1022620313213 its reverse (3123130262201), we get a palindrome (4145750575414).

The spelling of 1022620313213 in words is "one trillion, twenty-two billion, six hundred twenty million, three hundred thirteen thousand, two hundred thirteen".