122203406 has 8 divisors (see below), whose sum is σ = 197405544. Its totient is φ = 56401560.

The previous prime is 122203391. The next prime is 122203453. The reversal of 122203406 is 604302221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2350040 + ... + 2350091.

It is an arithmetic number, because the mean of its divisors is an integer number (24675693).

Almost surely, 2^122203406 is an apocalyptic number.

122203406 is a deficient number, since it is larger than the sum of its proper divisors (75202138).

122203406 is a wasteful number, since it uses less digits than its factorization.

122203406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700146.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 122203406 is about 11054.5649394266. The cubic root of 122203406 is about 496.2430493478.

Adding to 122203406 its reverse (604302221), we get a palindrome (726505627).

The spelling of 122203406 in words is "one hundred twenty-two million, two hundred three thousand, four hundred six".