122888221 has 8 divisors (see below), whose sum is σ = 127563264. Its totient is φ = 118299120.

The previous prime is 122888201. The next prime is 122888237.

122888221 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 122888221 - 2¹¹ = 122886173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122888201) 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, 18565 + ... + 24298.

It is an arithmetic number, because the mean of its divisors is an integer number (15945408).

Almost surely, 2^122888221 is an apocalyptic number.

It is an amenable number.

122888221 is a deficient number, since it is larger than the sum of its proper divisors (4675043).

122888221 is an equidigital number, since it uses as much as digits as its factorization.

122888221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42971.

The product of its digits is 8192, while the sum is 34.

The square root of 122888221 is about 11085.4959744704. The cubic root of 122888221 is about 497.1682877533.

The spelling of 122888221 in words is "one hundred twenty-two million, eight hundred eighty-eight thousand, two hundred twenty-one".