122211401 has 8 divisors (see below), whose sum is σ = 138539520. Its totient is φ = 106872912.

The previous prime is 122211391. The next prime is 122211403. The reversal of 122211401 is 104112221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122211401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122211403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247145 + ... + 247638.

It is an arithmetic number, because the mean of its divisors is an integer number (17317440).

Almost surely, 2^122211401 is an apocalyptic number.

It is an amenable number.

122211401 is a deficient number, since it is larger than the sum of its proper divisors (16328119).

122211401 is a wasteful number, since it uses less digits than its factorization.

122211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494815.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 122211401 is about 11054.9265488288. The cubic root of 122211401 is about 496.2538711320.

Adding to 122211401 its reverse (104112221), we get a palindrome (226323622).

The spelling of 122211401 in words is "one hundred twenty-two million, two hundred eleven thousand, four hundred one".