1222276201 has 8 divisors (see below), whose sum is σ = 1230688800. Its totient is φ = 1213875072.

The previous prime is 1222276199. The next prime is 1222276283. The reversal of 1222276201 is 1026722221.

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 1222276201 - 2¹ = 1222276199 is a prime.

It is a super-2 number, since 2×1222276201² = 2987918223061984802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222276291) 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, 368850 + ... + 372148.

It is an arithmetic number, because the mean of its divisors is an integer number (153836100).

Almost surely, 2^1222276201 is an apocalyptic number.

It is an amenable number.

1222276201 is a deficient number, since it is larger than the sum of its proper divisors (8412599).

1222276201 is a wasteful number, since it uses less digits than its factorization.

1222276201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1222276201 is about 34961.0669316599. The cubic root of 1222276201 is about 1069.1938496562.

Adding to 1222276201 its reverse (1026722221), we get a palindrome (2248998422).

The spelling of 1222276201 in words is "one billion, two hundred twenty-two million, two hundred seventy-six thousand, two hundred one".