1927225 has 12 divisors (see below), whose sum is σ = 2412544. Its totient is φ = 1527120.

The previous prime is 1927223. The next prime is 1927241. The reversal of 1927225 is 5227291.

It is not a de Polignac number, because 1927225 - 2¹ = 1927223 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1927193 and 1927202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1927223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2872 + ... + 3478.

2^1927225 is an apocalyptic number.

It is an amenable number.

1927225 is a deficient number, since it is larger than the sum of its proper divisors (485319).

1927225 is a wasteful number, since it uses less digits than its factorization.

1927225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 739 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 1927225 is about 1388.2452953279. The cubic root of 1927225 is about 124.4450061683.

The spelling of 1927225 in words is "one million, nine hundred twenty-seven thousand, two hundred twenty-five".