1022471252171 has 8 divisors (see below), whose sum is σ = 1051738383360. Its totient is φ = 993517138728.

The previous prime is 1022471252149. The next prime is 1022471252249. The reversal of 1022471252171 is 1712521742201.

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 1022471252171 - 2²⁶ = 1022404143307 is a prime.

It is a super-2 number, since 2×1022471252171² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022474252171) 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, 78247811 + ... + 78260876.

It is an arithmetic number, because the mean of its divisors is an integer number (131467297920).

Almost surely, 2^{1022471252171} is an apocalyptic number.

1022471252171 is a deficient number, since it is larger than the sum of its proper divisors (29267131189).

1022471252171 is a wasteful number, since it uses less digits than its factorization.

1022471252171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156508873.

The product of its (nonzero) digits is 15680, while the sum is 35.

Adding to 1022471252171 its reverse (1712521742201), we get a palindrome (2734992994372).

The spelling of 1022471252171 in words is "one trillion, twenty-two billion, four hundred seventy-one million, two hundred fifty-two thousand, one hundred seventy-one".