1224622973427 has 16 divisors (see below), whose sum is σ = 1870745759232. Its totient is φ = 698039452800.

The previous prime is 1224622973423. The next prime is 1224622973429. The reversal of 1224622973427 is 7243792264221.

It is not a de Polignac number, because 1224622973427 - 2² = 1224622973423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224622973427.

It is not an unprimeable number, because it can be changed into a prime (1224622973423) 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, 72704023 + ... + 72720864.

It is an arithmetic number, because the mean of its divisors is an integer number (116921609952).

Almost surely, 2^{1224622973427} is an apocalyptic number.

1224622973427 is a deficient number, since it is larger than the sum of its proper divisors (646122785805).

1224622973427 is a wasteful number, since it uses less digits than its factorization.

1224622973427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145425298.

The product of its digits is 4064256, while the sum is 51.

The spelling of 1224622973427 in words is "one trillion, two hundred twenty-four billion, six hundred twenty-two million, nine hundred seventy-three thousand, four hundred twenty-seven".