1200222201 has 8 divisors (see below), whose sum is σ = 1600481664. Its totient is φ = 800055440.

The previous prime is 1200222187. The next prime is 1200222203. The reversal of 1200222201 is 1022220021.

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 1200222201 - 2¹⁴ = 1200205817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200222203) 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, 16975 + ... + 51851.

It is an arithmetic number, because the mean of its divisors is an integer number (200060208).

Almost surely, 2^1200222201 is an apocalyptic number.

It is an amenable number.

1200222201 is a deficient number, since it is larger than the sum of its proper divisors (400259463).

1200222201 is a wasteful number, since it uses less digits than its factorization.

1200222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46351.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1200222201 is about 34644.2231981033. The cubic root of 1200222201 is about 1062.7241550782.

Adding to 1200222201 its reverse (1022220021), we get a palindrome (2222442222).

The spelling of 1200222201 in words is "one billion, two hundred million, two hundred twenty-two thousand, two hundred one".