2232091 has 4 divisors (see below), whose sum is σ = 2242152. Its totient is φ = 2222032.

The previous prime is 2232071. The next prime is 2232107. The reversal of 2232091 is 1902322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1902322 = 2 ⋅951161.

It is a cyclic number.

It is not a de Polignac number, because 2232091 - 2⁵ = 2232059 is a prime.

It is a super-3 number, since 3×2232091³ = 33362373784206988713, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4690 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (560538).

2^2232091 is an apocalyptic number.

2232091 is a deficient number, since it is larger than the sum of its proper divisors (10061).

2232091 is an equidigital number, since it uses as much as digits as its factorization.

2232091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2232091 is about 1494.0184068478. The cubic root of 2232091 is about 130.6884775764.

It can be divided in two parts, 22320 and 91, that multiplied together give a triangular number (2031120 = T₂₀₁₅).

The spelling of 2232091 in words is "two million, two hundred thirty-two thousand, ninety-one".