1222879575 has 48 divisors (see below), whose sum is σ = 2058323616. Its totient is φ = 640512000.

The previous prime is 1222879543. The next prime is 1222879579. The reversal of 1222879575 is 5759782221.

It is not a de Polignac number, because 1222879575 - 2⁵ = 1222879543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222879579) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2195197 + ... + 2195753.

It is an arithmetic number, because the mean of its divisors is an integer number (42881742).

Almost surely, 2^1222879575 is an apocalyptic number.

1222879575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222879575 is a deficient number, since it is larger than the sum of its proper divisors (835444041).

1222879575 is a wasteful number, since it uses less digits than its factorization.

1222879575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1039 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 1222879575 is about 34969.6950944672. The cubic root of 1222879575 is about 1069.3697557904.

The spelling of 1222879575 in words is "one billion, two hundred twenty-two million, eight hundred seventy-nine thousand, five hundred seventy-five".