122444440402 has 8 divisors (see below), whose sum is σ = 184293510156. Its totient is φ = 61013270352.

The previous prime is 122444440379. The next prime is 122444440403. The reversal of 122444440402 is 204044444221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108307468201 + 14136972201 = 329101^2 + 118899^2 .

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

It is not an unprimeable number, because it can be changed into a prime (122444440403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104474193 + ... + 104475364.

Almost surely, 2^122444440402 is an apocalyptic number.

122444440402 is a deficient number, since it is larger than the sum of its proper divisors (61849069754).

122444440402 is a wasteful number, since it uses less digits than its factorization.

122444440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208949852.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 122444440402 its reverse (204044444221), we get a palindrome (326488884623).

The spelling of 122444440402 in words is "one hundred twenty-two billion, four hundred forty-four million, four hundred forty thousand, four hundred two".