2214051851 has 4 divisors (see below), whose sum is σ = 2415329304. Its totient is φ = 2012774400.

The previous prime is 2214051799. The next prime is 2214051871. The reversal of 2214051851 is 1581504122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2214051851 - 2¹⁸ = 2213789707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214051871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100638710 + ... + 100638731.

It is an arithmetic number, because the mean of its divisors is an integer number (603832326).

Almost surely, 2^2214051851 is an apocalyptic number.

2214051851 is a deficient number, since it is larger than the sum of its proper divisors (201277453).

2214051851 is a wasteful number, since it uses less digits than its factorization.

2214051851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201277452.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 2214051851 is about 47053.7124040176. The cubic root of 2214051851 is about 1303.3546202541.

Adding to 2214051851 its reverse (1581504122), we get a palindrome (3795555973).

The spelling of 2214051851 in words is "two billion, two hundred fourteen million, fifty-one thousand, eight hundred fifty-one".