1222577752 has 32 divisors (see below), whose sum is σ = 2581401600. Its totient is φ = 537789600.

The previous prime is 1222577749. The next prime is 1222577753. The reversal of 1222577752 is 2577752221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222577753) 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, 221352 + ... + 226807.

It is an arithmetic number, because the mean of its divisors is an integer number (80668800).

Almost surely, 2^1222577752 is an apocalyptic number.

It is an amenable number.

1222577752 is an abundant number, since it is smaller than the sum of its proper divisors (1358823848).

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

1222577752 is a wasteful number, since it uses less digits than its factorization.

1222577752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448207 (or 448203 counting only the distinct ones).

The product of its digits is 137200, while the sum is 40.

The square root of 1222577752 is about 34965.3793344216. The cubic root of 1222577752 is about 1069.2817703088.

The spelling of 1222577752 in words is "one billion, two hundred twenty-two million, five hundred seventy-seven thousand, seven hundred fifty-two".