122288564 has 6 divisors (see below), whose sum is σ = 214004994. Its totient is φ = 61144280.

The previous prime is 122288561. The next prime is 122288597. The reversal of 122288564 is 465882221.

It can be written as a sum of positive squares in only one way, i.e., 78464164 + 43824400 = 8858^2 + 6620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122288561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15286067 + ... + 15286074.

It is an arithmetic number, because the mean of its divisors is an integer number (35667499).

Almost surely, 2^122288564 is an apocalyptic number.

It is an amenable number.

122288564 is a deficient number, since it is larger than the sum of its proper divisors (91716430).

122288564 is a wasteful number, since it uses less digits than its factorization.

122288564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30572145 (or 30572143 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 122288564 is about 11058.4159806005. The cubic root of 122288564 is about 496.3582923257.

The spelling of 122288564 in words is "one hundred twenty-two million, two hundred eighty-eight thousand, five hundred sixty-four".