1222702724 has 24 divisors (see below), whose sum is σ = 2234379840. Its totient is φ = 584347104.

The previous prime is 1222702661. The next prime is 1222702753. The reversal of 1222702724 is 4272072221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149567 + ... + 157529.

It is an arithmetic number, because the mean of its divisors is an integer number (93099160).

Almost surely, 2^1222702724 is an apocalyptic number.

It is an amenable number.

1222702724 is a deficient number, since it is larger than the sum of its proper divisors (1011677116).

1222702724 is a wasteful number, since it uses less digits than its factorization.

1222702724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659 (or 9657 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 1222702724 is about 34967.1663707542. The cubic root of 1222702724 is about 1069.3182030914.

Adding to 1222702724 its reverse (4272072221), we get a palindrome (5494774945).

The spelling of 1222702724 in words is "one billion, two hundred twenty-two million, seven hundred two thousand, seven hundred twenty-four".