1244232466 has 4 divisors (see below), whose sum is σ = 1866348702. Its totient is φ = 622116232.

The previous prime is 1244232421. The next prime is 1244232469. The reversal of 1244232466 is 6642324421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6642324421 = 15073 ⋅440677.

It can be written as a sum of positive squares in only one way, i.e., 752679225 + 491553241 = 27435^2 + 22171^2 .

It is a super-2 number, since 2×1244232466² = 3096228858896882312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1244232469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311058115 + ... + 311058118.

Almost surely, 2^1244232466 is an apocalyptic number.

1244232466 is a deficient number, since it is larger than the sum of its proper divisors (622116236).

1244232466 is an equidigital number, since it uses as much as digits as its factorization.

1244232466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622116235.

The product of its digits is 55296, while the sum is 34.

The square root of 1244232466 is about 35273.6795075308. The cubic root of 1244232466 is about 1075.5580202933.

Adding to 1244232466 its reverse (6642324421), we get a palindrome (7886556887).

The spelling of 1244232466 in words is "one billion, two hundred forty-four million, two hundred thirty-two thousand, four hundred sixty-six".