121223422 has 24 divisors (see below), whose sum is σ = 190519056. Its totient is φ = 57840384.

The previous prime is 121223419. The next prime is 121223461. The reversal of 121223422 is 224322121.

It is a self number, because there is not a number n which added to its sum of digits gives 121223422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162783 + ... + 163525.

It is an arithmetic number, because the mean of its divisors is an integer number (7938294).

Almost surely, 2^121223422 is an apocalyptic number.

121223422 is a deficient number, since it is larger than the sum of its proper divisors (69295634).

121223422 is an equidigital number, since it uses as much as digits as its factorization.

121223422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 871 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 121223422 is about 11010.1508618184. The cubic root of 121223422 is about 494.9129826973.

Adding to 121223422 its reverse (224322121), we get a palindrome (345545543).

The spelling of 121223422 in words is "one hundred twenty-one million, two hundred twenty-three thousand, four hundred twenty-two".