64224552122 has 16 divisors (see below), whose sum is σ = 99234156840. Its totient is φ = 31151651328.

The previous prime is 64224552121. The next prime is 64224552137. The reversal of 64224552122 is 22125542246.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41909868961 + 22314683161 = 204719^2 + 149381^2 .

It is not an unprimeable number, because it can be changed into a prime (64224552121) 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 7 ways as a sum of consecutive naturals, for example, 1262747 + ... + 1312622.

Almost surely, 2^64224552122 is an apocalyptic number.

64224552122 is a deficient number, since it is larger than the sum of its proper divisors (35009604718).

64224552122 is a wasteful number, since it uses less digits than its factorization.

64224552122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575745.

The product of its digits is 76800, while the sum is 35.

The spelling of 64224552122 in words is "sixty-four billion, two hundred twenty-four million, five hundred fifty-two thousand, one hundred twenty-two".