2226991 has 8 divisors (see below), whose sum is σ = 2422224. Its totient is φ = 2035200.

The previous prime is 2226989. The next prime is 2227003. The reversal of 2226991 is 1996222.

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 2226991 - 2¹ = 2226989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226911) 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, 591 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (302778).

2^2226991 is an apocalyptic number.

2226991 is a deficient number, since it is larger than the sum of its proper divisors (195233).

2226991 is a wasteful number, since it uses less digits than its factorization.

2226991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 3888, while the sum is 31.

The square root of 2226991 is about 1492.3106245015. The cubic root of 2226991 is about 130.5888670158.

The spelling of 2226991 in words is "two million, two hundred twenty-six thousand, nine hundred ninety-one".