2228901 has 4 divisors (see below), whose sum is σ = 2971872. Its totient is φ = 1485932.

The previous prime is 2228893. The next prime is 2228923. The reversal of 2228901 is 1098222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2228901 - 2³ = 2228893 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371481 + ... + 371486.

It is an arithmetic number, because the mean of its divisors is an integer number (742968).

2^2228901 is an apocalyptic number.

It is an amenable number.

2228901 is a deficient number, since it is larger than the sum of its proper divisors (742971).

2228901 is an equidigital number, since it uses as much as digits as its factorization.

2228901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742970.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2228901 is about 1492.9504345423. The cubic root of 2228901 is about 130.6261899421.

The spelling of 2228901 in words is "two million, two hundred twenty-eight thousand, nine hundred one".