1222173448 has 64 divisors (see below), whose sum is σ = 2487024000. Its totient is φ = 561318912.

The previous prime is 1222173443. The next prime is 1222173487. The reversal of 1222173448 is 8443712221.

It is not an unprimeable number, because it can be changed into a prime (1222173443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210768 + ... + 1211776.

It is an arithmetic number, because the mean of its divisors is an integer number (38859750).

Almost surely, 2^1222173448 is an apocalyptic number.

It is an amenable number.

1222173448 is an abundant number, since it is smaller than the sum of its proper divisors (1264850552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222173448 is a wasteful number, since it uses less digits than its factorization.

1222173448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294 (or 1290 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 1222173448 is about 34959.5973661025. The cubic root of 1222173448 is about 1069.1638875374.

Adding to 1222173448 its reverse (8443712221), we get a palindrome (9665885669).

The spelling of 1222173448 in words is "one billion, two hundred twenty-two million, one hundred seventy-three thousand, four hundred forty-eight".