122215423 has 16 divisors (see below), whose sum is σ = 139207680. Its totient is φ = 106286400.

The previous prime is 122215421. The next prime is 122215427. The reversal of 122215423 is 324512221.

It is a happy number.

It is not a de Polignac number, because 122215423 - 2¹ = 122215421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122215394 and 122215403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122215421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28336 + ... + 32362.

It is an arithmetic number, because the mean of its divisors is an integer number (8700480).

Almost surely, 2^122215423 is an apocalyptic number.

122215423 is a deficient number, since it is larger than the sum of its proper divisors (16992257).

122215423 is a wasteful number, since it uses less digits than its factorization.

122215423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158.

The product of its digits is 960, while the sum is 22.

The square root of 122215423 is about 11055.1084571794. The cubic root of 122215423 is about 496.2593150081.

Adding to 122215423 its reverse (324512221), we get a palindrome (446727644).

The spelling of 122215423 in words is "one hundred twenty-two million, two hundred fifteen thousand, four hundred twenty-three".