2228491 has 8 divisors (see below), whose sum is σ = 2391120. Its totient is φ = 2070432.

The previous prime is 2228483. The next prime is 2228507. The reversal of 2228491 is 1948222.

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 2228491 - 2³ = 2228483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228431) 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, 100 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (298890).

2^2228491 is an apocalyptic number.

2228491 is a deficient number, since it is larger than the sum of its proper divisors (162629).

2228491 is a wasteful number, since it uses less digits than its factorization.

2228491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285.

The product of its digits is 2304, while the sum is 28.

The square root of 2228491 is about 1492.8131162339. The cubic root of 2228491 is about 130.6181800122.

The spelling of 2228491 in words is "two million, two hundred twenty-eight thousand, four hundred ninety-one".