2238473 has 2 divisors, whose sum is σ = 2238474. Its totient is φ = 2238472.

The previous prime is 2238421. The next prime is 2238487. The reversal of 2238473 is 3748322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 1054729 = 1088^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 2238473 - 2⁸ = 2238217 is a prime.

It is a super-2 number, since 2×2238473² = 10021522743458, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 2¹⁹ + 3⁷ + 8 + 4² + 7⁶ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (2238413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119236 + 1119237.

It is an arithmetic number, because the mean of its divisors is an integer number (1119237).

2^2238473 is an apocalyptic number.

It is an amenable number.

2238473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238473 is an equidigital number, since it uses as much as digits as its factorization.

2238473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 2238473 is about 1496.1527328451. The cubic root of 2238473 is about 130.8129139927.

The spelling of 2238473 in words is "two million, two hundred thirty-eight thousand, four hundred seventy-three".