2221338 has 16 divisors (see below), whose sum is σ = 5077440. Its totient is φ = 634656.

The previous prime is 2221333. The next prime is 2221343. The reversal of 2221338 is 8331222.

It is an interprime number because it is at equal distance from previous prime (2221333) and next prime (2221343).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2221333) 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, 26403 + ... + 26486.

It is an arithmetic number, because the mean of its divisors is an integer number (317340).

2^2221338 is an apocalyptic number.

2221338 is an abundant number, since it is smaller than the sum of its proper divisors (2856102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221338 is a wasteful number, since it uses less digits than its factorization.

2221338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52901.

The product of its digits is 576, while the sum is 21.

The square root of 2221338 is about 1490.4153783426. The cubic root of 2221338 is about 130.4782776780.

The spelling of 2221338 in words is "two million, two hundred twenty-one thousand, three hundred thirty-eight".