122001655226 has 16 divisors (see below), whose sum is σ = 199650201408. Its totient is φ = 55452206400.

The previous prime is 122001655213. The next prime is 122001655229. The reversal of 122001655226 is 622556100221.

It is a super-2 number, since 2×122001655226² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122001655192 and 122001655201.

It is not an unprimeable number, because it can be changed into a prime (122001655229) 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, 275651 + ... + 565673.

It is an arithmetic number, because the mean of its divisors is an integer number (12478137588).

Almost surely, 2^122001655226 is an apocalyptic number.

122001655226 is a deficient number, since it is larger than the sum of its proper divisors (77648546182).

122001655226 is a wasteful number, since it uses less digits than its factorization.

122001655226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309157.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 122001655226 its reverse (622556100221), we get a palindrome (744557755447).

The spelling of 122001655226 in words is "one hundred twenty-two billion, one million, six hundred fifty-five thousand, two hundred twenty-six".