1222163464 has 16 divisors (see below), whose sum is σ = 2334794220. Its totient is φ = 599551680.

The previous prime is 1222163461. The next prime is 1222163471. The reversal of 1222163464 is 4643612221.

It can be written as a sum of positive squares in 2 ways, for example, as 1132860964 + 89302500 = 33658^2 + 9450^2 .

It is not an unprimeable number, because it can be changed into a prime (1222163461) 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, 1440807 + ... + 1441654.

Almost surely, 2^1222163464 is an apocalyptic number.

It is an amenable number.

1222163464 is a deficient number, since it is larger than the sum of its proper divisors (1112630756).

1222163464 is a wasteful number, since it uses less digits than its factorization.

1222163464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882520 (or 2882516 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 1222163464 is about 34959.4545724043. The cubic root of 1222163464 is about 1069.1609761772.

Adding to 1222163464 its reverse (4643612221), we get a palindrome (5865775685).

The spelling of 1222163464 in words is "one billion, two hundred twenty-two million, one hundred sixty-three thousand, four hundred sixty-four".