122205404 has 12 divisors (see below), whose sum is σ = 214946424. Its totient is φ = 60792144.

The previous prime is 122205389. The next prime is 122205427. The reversal of 122205404 is 404502221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76754 + ... + 78329.

It is an arithmetic number, because the mean of its divisors is an integer number (17912202).

Almost surely, 2^122205404 is an apocalyptic number.

It is an amenable number.

122205404 is a deficient number, since it is larger than the sum of its proper divisors (92741020).

122205404 is a wasteful number, since it uses less digits than its factorization.

122205404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155284 (or 155282 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 122205404 is about 11054.6553089637. The cubic root of 122205404 is about 496.2457538229.

Adding to 122205404 its reverse (404502221), we get a palindrome (526707625).

The spelling of 122205404 in words is "one hundred twenty-two million, two hundred five thousand, four hundred four".