1222075524 has 12 divisors (see below), whose sum is σ = 2851509584. Its totient is φ = 407358504.

The previous prime is 1222075493. The next prime is 1222075541. The reversal of 1222075524 is 4255702221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1222075491 and 1222075500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50919802 + ... + 50919825.

Almost surely, 2^1222075524 is an apocalyptic number.

It is an amenable number.

1222075524 is an abundant number, since it is smaller than the sum of its proper divisors (1629434060).

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

1222075524 is a wasteful number, since it uses less digits than its factorization.

1222075524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101839634 (or 101839632 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 1222075524 is about 34958.1968070437. The cubic root of 1222075524 is about 1069.1353319613.

Adding to 1222075524 its reverse (4255702221), we get a palindrome (5477777745).

The spelling of 1222075524 in words is "one billion, two hundred twenty-two million, seventy-five thousand, five hundred twenty-four".