1022648902261 has 8 divisors (see below), whose sum is σ = 1175270886720. Its totient is φ = 871659238848.

The previous prime is 1022648902241. The next prime is 1022648902267. The reversal of 1022648902261 is 1622098462201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022648902261 - 2⁵ = 1022648902229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022648902267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408078916 + ... + 408081421.

It is an arithmetic number, because the mean of its divisors is an integer number (146908860840).

Almost surely, 2^{1022648902261} is an apocalyptic number.

It is an amenable number.

1022648902261 is a deficient number, since it is larger than the sum of its proper divisors (152621984459).

1022648902261 is an equidigital number, since it uses as much as digits as its factorization.

1022648902261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816160523.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 1022648902261 in words is "one trillion, twenty-two billion, six hundred forty-eight million, nine hundred two thousand, two hundred sixty-one".