1993225 has 12 divisors (see below), whose sum is σ = 2662156. Its totient is φ = 1471680.

The previous prime is 1993219. The next prime is 1993231. The reversal of 1993225 is 5223991.

It is an interprime number because it is at equal distance from previous prime (1993219) and next prime (1993231).

It can be written as a sum of positive squares in 6 ways, for example, as 2304 + 1990921 = 48^2 + 1411^2 .

It is not a de Polignac number, because 1993225 - 2³ = 1993217 is a prime.

It is a d-powerful number, because it can be written as 1 + 9 + 9³ + 3⁸ + 2⁵ + 2¹⁵ + 5⁹ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2742 + ... + 3391.

2^1993225 is an apocalyptic number.

It is an amenable number.

1993225 is a deficient number, since it is larger than the sum of its proper divisors (668931).

1993225 is a wasteful number, since it uses less digits than its factorization.

1993225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156 (or 6151 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 1993225 is about 1411.8162061685. The cubic root of 1993225 is about 125.8496779591.

The spelling of 1993225 in words is "one million, nine hundred ninety-three thousand, two hundred twenty-five".