1223250442522 has 16 divisors (see below), whose sum is σ = 1932229229760. Its totient is φ = 579200071392.

The previous prime is 1223250442501. The next prime is 1223250442549. The reversal of 1223250442522 is 2252440523221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6414478 + ... + 6602425.

It is an arithmetic number, because the mean of its divisors is an integer number (120764326860).

Almost surely, 2^{1223250442522} is an apocalyptic number.

1223250442522 is a deficient number, since it is larger than the sum of its proper divisors (708978787238).

1223250442522 is a wasteful number, since it uses less digits than its factorization.

1223250442522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019397.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 1223250442522 its reverse (2252440523221), we get a palindrome (3475690965743).

The spelling of 1223250442522 in words is "one trillion, two hundred twenty-three billion, two hundred fifty million, four hundred forty-two thousand, five hundred twenty-two".