2051252222 has 16 divisors (see below), whose sum is σ = 3191832000. Its totient is φ = 987941760.

The previous prime is 2051252221. The next prime is 2051252227. The reversal of 2051252222 is 2222521502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051252221) 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, 151847 + ... + 164802.

It is an arithmetic number, because the mean of its divisors is an integer number (199489500).

Almost surely, 2^2051252222 is an apocalyptic number.

2051252222 is a deficient number, since it is larger than the sum of its proper divisors (1140579778).

2051252222 is a wasteful number, since it uses less digits than its factorization.

2051252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316771.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2051252222 is about 45290.7520582293. The cubic root of 2051252222 is about 1270.5926970834.

Adding to 2051252222 its reverse (2222521502), we get a palindrome (4273773724).

The spelling of 2051252222 in words is "two billion, fifty-one million, two hundred fifty-two thousand, two hundred twenty-two".