121522226 has 16 divisors (see below), whose sum is σ = 209575296. Its totient is φ = 51768096.

The previous prime is 121522217. The next prime is 121522229. The reversal of 121522226 is 622225121.

It is not an unprimeable number, because it can be changed into a prime (121522229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23651 + ... + 28326.

It is an arithmetic number, because the mean of its divisors is an integer number (13098456).

Almost surely, 2^121522226 is an apocalyptic number.

121522226 is a deficient number, since it is larger than the sum of its proper divisors (88053070).

121522226 is a wasteful number, since it uses less digits than its factorization.

121522226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52153.

The product of its digits is 960, while the sum is 23.

The square root of 121522226 is about 11023.7119882551. The cubic root of 121522226 is about 495.3192865772.

Adding to 121522226 its reverse (622225121), we get a palindrome (743747347).

The spelling of 121522226 in words is "one hundred twenty-one million, five hundred twenty-two thousand, two hundred twenty-six".