1122200401 has 24 divisors (see below), whose sum is σ = 1386413280. Its totient is φ = 903111552.

The previous prime is 1122200393. The next prime is 1122200411. The reversal of 1122200401 is 1040022211.

It is a happy number.

It is not a de Polignac number, because 1122200401 - 2³ = 1122200393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122200411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99870 + ... + 110536.

It is an arithmetic number, because the mean of its divisors is an integer number (57767220).

Almost surely, 2^1122200401 is an apocalyptic number.

It is an amenable number.

1122200401 is a deficient number, since it is larger than the sum of its proper divisors (264212879).

1122200401 is a wasteful number, since it uses less digits than its factorization.

1122200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10813 (or 10806 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1122200401 is about 33499.2597082383. The cubic root of 1122200401 is about 1039.1784688809.

Adding to 1122200401 its reverse (1040022211), we get a palindrome (2162222612).

The spelling of 1122200401 in words is "one billion, one hundred twenty-two million, two hundred thousand, four hundred one".