1022373074521 has 4 divisors (see below), whose sum is σ = 1057627318500. Its totient is φ = 987118830544.

The previous prime is 1022373074441. The next prime is 1022373074533. The reversal of 1022373074521 is 1254703732201.

1022373074521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 737709210000 + 284663864521 = 858900^2 + 533539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022373074521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022373014521) 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, 17627121946 + ... + 17627122003.

It is an arithmetic number, because the mean of its divisors is an integer number (264406829625).

Almost surely, 2^{1022373074521} is an apocalyptic number.

It is an amenable number.

1022373074521 is a deficient number, since it is larger than the sum of its proper divisors (35254243979).

1022373074521 is an equidigital number, since it uses as much as digits as its factorization.

1022373074521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35254243978.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 1022373074521 in words is "one trillion, twenty-two billion, three hundred seventy-three million, seventy-four thousand, five hundred twenty-one".