1222401254345 has 8 divisors (see below), whose sum is σ = 1467905157576. Its totient is φ = 977238568576.

The previous prime is 1222401254317. The next prime is 1222401254387. The reversal of 1222401254345 is 5434521042221.

It can be written as a sum of positive squares in 4 ways, for example, as 166801178569 + 1055600075776 = 408413^2 + 1027424^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222401254345 - 2¹⁰ = 1222401253321 is a prime.

It is a Duffinian number.

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, 85296482 + ... + 85310811.

It is an arithmetic number, because the mean of its divisors is an integer number (183488144697).

Almost surely, 2^{1222401254345} is an apocalyptic number.

It is an amenable number.

1222401254345 is a deficient number, since it is larger than the sum of its proper divisors (245503903231).

1222401254345 is a wasteful number, since it uses less digits than its factorization.

1222401254345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170608731.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1222401254345 its reverse (5434521042221), we get a palindrome (6656922296566).

The spelling of 1222401254345 in words is "one trillion, two hundred twenty-two billion, four hundred one million, two hundred fifty-four thousand, three hundred forty-five".