2221107 has 8 divisors (see below), whose sum is σ = 3384576. Its totient is φ = 1269192.

The previous prime is 2221097. The next prime is 2221111. The reversal of 2221107 is 7011222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221107 - 2⁷ = 2220979 is a prime.

2221107 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2221127) 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, 52863 + ... + 52904.

It is an arithmetic number, because the mean of its divisors is an integer number (423072).

2^2221107 is an apocalyptic number.

2221107 is a deficient number, since it is larger than the sum of its proper divisors (1163469).

2221107 is a wasteful number, since it uses less digits than its factorization.

2221107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105777.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 2221107 is about 1490.3378811531. The cubic root of 2221107 is about 130.4737546492.

Adding to 2221107 its reverse (7011222), we get a palindrome (9232329).

The spelling of 2221107 in words is "two million, two hundred twenty-one thousand, one hundred seven".