1222723375 has 32 divisors (see below), whose sum is σ = 1605614400. Its totient is φ = 928278400.

The previous prime is 1222723373. The next prime is 1222723387. The reversal of 1222723375 is 5733272221.

It is not a de Polignac number, because 1222723375 - 2¹ = 1222723373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222723375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222723373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211017 + ... + 216733.

It is an arithmetic number, because the mean of its divisors is an integer number (50175450).

Almost surely, 2^1222723375 is an apocalyptic number.

1222723375 is a deficient number, since it is larger than the sum of its proper divisors (382891025).

1222723375 is an equidigital number, since it uses as much as digits as its factorization.

1222723375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5810 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 1222723375 is about 34967.4616608069. The cubic root of 1222723375 is about 1069.3242231881.

Adding to 1222723375 its reverse (5733272221), we get a palindrome (6955995596).

The spelling of 1222723375 in words is "one billion, two hundred twenty-two million, seven hundred twenty-three thousand, three hundred seventy-five".