1622137421271 has 4 divisors (see below), whose sum is σ = 2162849895032. Its totient is φ = 1081424947512.

The previous prime is 1622137421251. The next prime is 1622137421273. The reversal of 1622137421271 is 1721247312261.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1622137421271 - 2¹¹ = 1622137419223 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 (1622137421273) 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, 270356236876 + ... + 270356236881.

It is an arithmetic number, because the mean of its divisors is an integer number (540712473758).

Almost surely, 2^{1622137421271} is an apocalyptic number.

1622137421271 is a deficient number, since it is larger than the sum of its proper divisors (540712473761).

1622137421271 is an equidigital number, since it uses as much as digits as its factorization.

1622137421271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540712473760.

The product of its digits is 56448, while the sum is 39.

The spelling of 1622137421271 in words is "one trillion, six hundred twenty-two billion, one hundred thirty-seven million, four hundred twenty-one thousand, two hundred seventy-one".