2273533 has 2 divisors, whose sum is σ = 2273534. Its totient is φ = 2273532.

The previous prime is 2273507. The next prime is 2273543. The reversal of 2273533 is 3353722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1909924 + 363609 = 1382^2 + 603^2 .

It is a cyclic number.

It is not a de Polignac number, because 2273533 - 2⁵ = 2273501 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁶ + 7³ + 3⁶ + 5⁶ + 3¹² + 3¹³ .

It is equal to p₁₆₇₇₃₁ and since 2273533 and 167731 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2273498 and 2273507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2273503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136766 + 1136767.

It is an arithmetic number, because the mean of its divisors is an integer number (1136767).

2^2273533 is an apocalyptic number.

It is an amenable number.

2273533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273533 is an equidigital number, since it uses as much as digits as its factorization.

2273533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 25.

The square root of 2273533 is about 1507.8239287132. The cubic root of 2273533 is about 131.4923299318.

The spelling of 2273533 in words is "two million, two hundred seventy-three thousand, five hundred thirty-three".