340225422121 has 8 divisors (see below), whose sum is σ = 366436959560. Its totient is φ = 314019649152.

The previous prime is 340225422113. The next prime is 340225422139. The reversal of 340225422121 is 121224522043.

It can be written as a sum of positive squares in 4 ways, for example, as 45554499225 + 294670922896 = 213435^2 + 542836^2 .

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 340225422121 - 2³ = 340225422113 is a prime.

It is a super-2 number, since 2×340225422121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340225422121.

It is not an unprimeable number, because it can be changed into a prime (340225422181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318140 + ... + 1554973.

It is an arithmetic number, because the mean of its divisors is an integer number (45804619945).

Almost surely, 2^340225422121 is an apocalyptic number.

It is an amenable number.

340225422121 is a deficient number, since it is larger than the sum of its proper divisors (26211537439).

340225422121 is a wasteful number, since it uses less digits than its factorization.

340225422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882235.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 340225422121 its reverse (121224522043), we get a palindrome (461449944164).

The spelling of 340225422121 in words is "three hundred forty billion, two hundred twenty-five million, four hundred twenty-two thousand, one hundred twenty-one".