1422571161 has 16 divisors (see below), whose sum is σ = 2070224640. Its totient is φ = 861735120.

The previous prime is 1422571141. The next prime is 1422571217. The reversal of 1422571161 is 1611752241.

It is not a de Polignac number, because 1422571161 - 2²⁵ = 1389016729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422571141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64410 + ... + 83628.

It is an arithmetic number, because the mean of its divisors is an integer number (129389040).

Almost surely, 2^1422571161 is an apocalyptic number.

1422571161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1422571161 is a deficient number, since it is larger than the sum of its proper divisors (647653479).

1422571161 is a wasteful number, since it uses less digits than its factorization.

1422571161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21476.

The product of its digits is 3360, while the sum is 30.

The square root of 1422571161 is about 37716.9876978531. The cubic root of 1422571161 is about 1124.6688502870.

The spelling of 1422571161 in words is "one billion, four hundred twenty-two million, five hundred seventy-one thousand, one hundred sixty-one".