122242185808 has 20 divisors (see below), whose sum is σ = 241312995828. Its totient is φ = 59967864320.

The previous prime is 122242185803. The next prime is 122242185809. The reversal of 122242185808 is 808581242221.

It can be written as a sum of positive squares in 2 ways, for example, as 71667573264 + 50574612544 = 267708^2 + 224888^2 .

It is a super-2 number, since 2×122242185808² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122242185803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72075913 + ... + 72077608.

Almost surely, 2^122242185808 is an apocalyptic number.

It is an amenable number.

122242185808 is a deficient number, since it is larger than the sum of its proper divisors (119070810020).

122242185808 is a wasteful number, since it uses less digits than its factorization.

122242185808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144153582 (or 144153576 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 43.

The spelling of 122242185808 in words is "one hundred twenty-two billion, two hundred forty-two million, one hundred eighty-five thousand, eight hundred eight".