122244406 has 4 divisors (see below), whose sum is σ = 183366612. Its totient is φ = 61122202.

The previous prime is 122244403. The next prime is 122244407. The reversal of 122244406 is 604442221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604442221 = 9431 ⋅64091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122244403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30561100 + ... + 30561103.

It is an arithmetic number, because the mean of its divisors is an integer number (45841653).

Almost surely, 2^122244406 is an apocalyptic number.

122244406 is a deficient number, since it is larger than the sum of its proper divisors (61122206).

122244406 is an equidigital number, since it uses as much as digits as its factorization.

122244406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61122205.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 122244406 is about 11056.4192214297. The cubic root of 122244406 is about 496.2985406818.

Adding to 122244406 its reverse (604442221), we get a palindrome (726686627).

The spelling of 122244406 in words is "one hundred twenty-two million, two hundred forty-four thousand, four hundred six".