1224662672 has 10 divisors (see below), whose sum is σ = 2372783958. Its totient is φ = 612331328.

The previous prime is 1224662641. The next prime is 1224662693. The reversal of 1224662672 is 2762664221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1019141776 + 205520896 = 31924^2 + 14336^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38270693 + ... + 38270724.

Almost surely, 2^1224662672 is an apocalyptic number.

It is an amenable number.

1224662672 is a deficient number, since it is larger than the sum of its proper divisors (1148121286).

1224662672 is an equidigital number, since it uses as much as digits as its factorization.

1224662672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76541425 (or 76541419 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 1224662672 is about 34995.1806967759. The cubic root of 1224662672 is about 1069.8892574706.

The spelling of 1224662672 in words is "one billion, two hundred twenty-four million, six hundred sixty-two thousand, six hundred seventy-two".