1867225 has 12 divisors (see below), whose sum is σ = 2437840. Its totient is φ = 1414800.

The previous prime is 1867219. The next prime is 1867231. The reversal of 1867225 is 5227681.

It is an interprime number because it is at equal distance from previous prime (1867219) and next prime (1867231).

It is not a de Polignac number, because 1867225 - 2⁵ = 1867193 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

1867225 is a lucky 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, 1491 + ... + 2440.

2^1867225 is an apocalyptic number.

It is an amenable number.

1867225 is a deficient number, since it is larger than the sum of its proper divisors (570615).

1867225 is a wasteful number, since it uses less digits than its factorization.

1867225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3955 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1867225 is about 1366.4644159289. The cubic root of 1867225 is about 123.1399249260.

The spelling of 1867225 in words is "one million, eight hundred sixty-seven thousand, two hundred twenty-five".