1223223407 has 8 divisors (see below), whose sum is σ = 1426500000. Its totient is φ = 1048476912.

The previous prime is 1223223377. The next prime is 1223223427. The reversal of 1223223407 is 7043223221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1223223407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223223427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782782 + ... + 1783467.

It is an arithmetic number, because the mean of its divisors is an integer number (178312500).

Almost surely, 2^1223223407 is an apocalyptic number.

1223223407 is a deficient number, since it is larger than the sum of its proper divisors (203276593).

1223223407 is an frugal number, since it uses more digits than its factorization.

1223223407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566270 (or 3566256 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1223223407 is about 34974.6108913309. The cubic root of 1223223407 is about 1069.4699698248.

Adding to 1223223407 its reverse (7043223221), we get a palindrome (8266446628).

The spelling of 1223223407 in words is "one billion, two hundred twenty-three million, two hundred twenty-three thousand, four hundred seven".