1222571464 has 16 divisors (see below), whose sum is σ = 2354276700. Its totient is φ = 594764352.

The previous prime is 1222571461. The next prime is 1222571477. The reversal of 1222571464 is 4641752221.

It can be written as a sum of positive squares in 2 ways, for example, as 863772100 + 358799364 = 29390^2 + 18942^2 .

It is not an unprimeable number, because it can be changed into a prime (1222571461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064859 + ... + 2065450.

Almost surely, 2^1222571464 is an apocalyptic number.

It is an amenable number.

1222571464 is a deficient number, since it is larger than the sum of its proper divisors (1131705236).

1222571464 is a wasteful number, since it uses less digits than its factorization.

1222571464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130352 (or 4130348 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 1222571464 is about 34965.2894167916. The cubic root of 1222571464 is about 1069.2799371178.

The spelling of 1222571464 in words is "one billion, two hundred twenty-two million, five hundred seventy-one thousand, four hundred sixty-four".