2051227201 has 8 divisors (see below), whose sum is σ = 2107955304. Its totient is φ = 1994567040.

The previous prime is 2051227183. The next prime is 2051227229. The reversal of 2051227201 is 1027221502.

It can be written as a sum of positive squares in 4 ways, for example, as 1468728976 + 582498225 = 38324^2 + 24135^2 .

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 2051227201 - 2⁵ = 2051227169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051227001) 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, 47571 + ... + 79783.

It is an arithmetic number, because the mean of its divisors is an integer number (263494413).

Almost surely, 2^2051227201 is an apocalyptic number.

It is an amenable number.

2051227201 is a deficient number, since it is larger than the sum of its proper divisors (56728103).

2051227201 is a wasteful number, since it uses less digits than its factorization.

2051227201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33971.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2051227201 is about 45290.4758310177. The cubic root of 2051227201 is about 1270.5875308686.

Adding to 2051227201 its reverse (1027221502), we get a palindrome (3078448703).

The spelling of 2051227201 in words is "two billion, fifty-one million, two hundred twenty-seven thousand, two hundred one".