1439225 has 12 divisors (see below), whose sum is σ = 1862976. Its totient is φ = 1100880.

The previous prime is 1439209. The next prime is 1439233. The reversal of 1439225 is 5229341.

It is not a de Polignac number, because 1439225 - 2⁴ = 1439209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1439194 and 1439203.

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, 677 + ... + 1826.

It is an arithmetic number, because the mean of its divisors is an integer number (155248).

2^1439225 is an apocalyptic number.

It is an amenable number.

1439225 is a deficient number, since it is larger than the sum of its proper divisors (423751).

1439225 is a wasteful number, since it uses less digits than its factorization.

1439225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2531 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1439225 is about 1199.6770398736. The cubic root of 1439225 is about 112.9040614158.

The spelling of 1439225 in words is "one million, four hundred thirty-nine thousand, two hundred twenty-five".