122474221 has 8 divisors (see below), whose sum is σ = 127071000. Its totient is φ = 117902400.

The previous prime is 122474207. The next prime is 122474227.

122474221 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 76370121 + 46104100 = 8739^2 + 6790^2 .

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

It is not a de Polignac number, because 122474221 - 2⁵ = 122474189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122474227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4071 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (15883875).

Almost surely, 2^122474221 is an apocalyptic number.

It is an amenable number.

122474221 is a deficient number, since it is larger than the sum of its proper divisors (4596779).

122474221 is a wasteful number, since it uses less digits than its factorization.

122474221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12479.

The product of its digits is 1792, while the sum is 25.

The square root of 122474221 is about 11066.8071728028. The cubic root of 122474221 is about 496.6093536757.

The spelling of 122474221 in words is "one hundred twenty-two million, four hundred seventy-four thousand, two hundred twenty-one".