1922225 has 12 divisors (see below), whose sum is σ = 2487936. Its totient is φ = 1470480.

The previous prime is 1922213. The next prime is 1922233. The reversal of 1922225 is 5222291.

It is not a de Polignac number, because 1922225 - 2⁴ = 1922209 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 Harshad number since it is a multiple of its sum of digits (23).

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 1922225.

It is an unprimeable number.

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, 1097 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (207328).

2^1922225 is an apocalyptic number.

It is an amenable number.

1922225 is a deficient number, since it is larger than the sum of its proper divisors (565711).

1922225 is a wasteful number, since it uses less digits than its factorization.

1922225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376 (or 3371 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1922225 is about 1386.4432913033. The cubic root of 1922225 is about 124.3372927620.

The spelling of 1922225 in words is "one million, nine hundred twenty-two thousand, two hundred twenty-five".