1975222201 has 8 divisors (see below), whose sum is σ = 2008839744. Its totient is φ = 1941765840.

The previous prime is 1975222199. The next prime is 1975222211. The reversal of 1975222201 is 1022225791.

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

It is a cyclic number.

It is not a de Polignac number, because 1975222201 - 2¹ = 1975222199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1975222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15450 + ... + 64723.

It is an arithmetic number, because the mean of its divisors is an integer number (251104968).

Almost surely, 2^1975222201 is an apocalyptic number.

It is an amenable number.

1975222201 is a deficient number, since it is larger than the sum of its proper divisors (33617543).

1975222201 is an equidigital number, since it uses as much as digits as its factorization.

1975222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80591.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1975222201 is about 44443.4719728331. The cubic root of 1975222201 is about 1254.6964024915.

Adding to 1975222201 its reverse (1022225791), we get a palindrome (2997447992).

The spelling of 1975222201 in words is "one billion, nine hundred seventy-five million, two hundred twenty-two thousand, two hundred one".