2190733 has 4 divisors (see below), whose sum is σ = 2249980. Its totient is φ = 2131488.

The previous prime is 2190691. The next prime is 2190737. The reversal of 2190733 is 3370912.

2190733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1646089 + 544644 = 1283^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190733 - 2¹⁷ = 2059661 is a prime.

It is a super-2 number, since 2×2190733² = 9598622154578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2190698 and 2190707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29568 + ... + 29641.

It is an arithmetic number, because the mean of its divisors is an integer number (562495).

2^2190733 is an apocalyptic number.

It is an amenable number.

2190733 is a deficient number, since it is larger than the sum of its proper divisors (59247).

2190733 is an equidigital number, since it uses as much as digits as its factorization.

2190733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59246.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 2190733 is about 1480.1124957246. The cubic root of 2190733 is about 129.8762728129.

The spelling of 2190733 in words is "two million, one hundred ninety thousand, seven hundred thirty-three".