1223244722 has 18 divisors (see below), whose sum is σ = 2135041533. Its totient is φ = 524099352.

The previous prime is 1223244709. The next prime is 1223244731. The reversal of 1223244722 is 2274423221.

It can be written as a sum of positive squares in 2 ways, for example, as 1083792241 + 139452481 = 32921^2 + 11809^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24731.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 344468 + ... + 348000.

Almost surely, 2^1223244722 is an apocalyptic number.

1223244722 is a deficient number, since it is larger than the sum of its proper divisors (911796811).

1223244722 is an frugal number, since it uses more digits than its factorization.

1223244722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082 (or 3542 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 1223244722 is about 34974.9156110490. The cubic root of 1223244722 is about 1069.4761817236.

Adding to 1223244722 its reverse (2274423221), we get a palindrome (3497667943).

The spelling of 1223244722 in words is "one billion, two hundred twenty-three million, two hundred forty-four thousand, seven hundred twenty-two".