1382225 has 12 divisors (see below), whose sum is σ = 1846236. Its totient is φ = 1020480.

The previous prime is 1382221. The next prime is 1382237. The reversal of 1382225 is 5222831.

It can be written as a sum of positive squares in 6 ways, for example, as 398161 + 984064 = 631^2 + 992^2 .

It is not a de Polignac number, because 1382225 - 2² = 1382221 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1382225.

It is not an unprimeable number, because it can be changed into a prime (1382221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1802 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (153853).

2^1382225 is an apocalyptic number.

It is an amenable number.

1382225 is a deficient number, since it is larger than the sum of its proper divisors (464011).

1382225 is a wasteful number, since it uses less digits than its factorization.

1382225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276 (or 4271 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 1382225 is about 1175.6806539193. The cubic root of 1382225 is about 111.3934311252.

Subtracting 1382225 from its reverse (5222831), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 1382225 in words is "one million, three hundred eighty-two thousand, two hundred twenty-five".