1222575071 has 4 divisors (see below), whose sum is σ = 1223147712. Its totient is φ = 1222002432.

The previous prime is 1222575047. The next prime is 1222575091. The reversal of 1222575071 is 1705752221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1705752221 = 967 ⋅1763963.

It is a cyclic number.

It is not a de Polignac number, because 1222575071 - 2²² = 1218380767 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 (1222575001) 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, 283106 + ... + 287391.

It is an arithmetic number, because the mean of its divisors is an integer number (305786928).

Almost surely, 2^1222575071 is an apocalyptic number.

1222575071 is a deficient number, since it is larger than the sum of its proper divisors (572641).

1222575071 is an equidigital number, since it uses as much as digits as its factorization.

1222575071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572640.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 1222575071 is about 34965.3409964782. The cubic root of 1222575071 is about 1069.2809886962.

The spelling of 1222575071 in words is "one billion, two hundred twenty-two million, five hundred seventy-five thousand, seventy-one".