2220851 has 8 divisors (see below), whose sum is σ = 2300064. Its totient is φ = 2142720.

The previous prime is 2220839. The next prime is 2220887. The reversal of 2220851 is 1580222.

2220851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2220851 - 2⁶ = 2220787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6986 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (287508).

2^2220851 is an apocalyptic number.

2220851 is a deficient number, since it is larger than the sum of its proper divisors (79213).

2220851 is a wasteful number, since it uses less digits than its factorization.

2220851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2220851 is about 1490.2519921141. The cubic root of 2220851 is about 130.4687417488.

The spelling of 2220851 in words is "two million, two hundred twenty thousand, eight hundred fifty-one".