122455222345 has 8 divisors (see below), whose sum is σ = 146957776776. Its totient is φ = 97956504576.

The previous prime is 122455222339. The next prime is 122455222387. The reversal of 122455222345 is 543222554221.

It can be written as a sum of positive squares in 4 ways, for example, as 2287613241 + 120167609104 = 47829^2 + 346652^2 .

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 122455222345 - 2¹³ = 122455214153 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, 888472 + ... + 1017001.

It is an arithmetic number, because the mean of its divisors is an integer number (18369722097).

Almost surely, 2^122455222345 is an apocalyptic number.

It is an amenable number.

122455222345 is a deficient number, since it is larger than the sum of its proper divisors (24502554431).

122455222345 is a wasteful number, since it uses less digits than its factorization.

122455222345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918331.

The product of its digits is 192000, while the sum is 37.

Adding to 122455222345 its reverse (543222554221), we get a palindrome (665677776566).

The spelling of 122455222345 in words is "one hundred twenty-two billion, four hundred fifty-five million, two hundred twenty-two thousand, three hundred forty-five".