1922025 has 36 divisors (see below), whose sum is σ = 3703632. Its totient is φ = 876960.

The previous prime is 1921981. The next prime is 1922027. The reversal of 1922025 is 5202291.

It is not a de Polignac number, because 1922025 - 2⁸ = 1921769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1921992 and 1922010.

It is not an unprimeable number, because it can be changed into a prime (1922027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3414 + ... + 3936.

2^1922025 is an apocalyptic number.

1922025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1922025 is a deficient number, since it is larger than the sum of its proper divisors (1781607).

1922025 is a wasteful number, since it uses less digits than its factorization.

1922025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1922025 is about 1386.3711624237. The cubic root of 1922025 is about 124.3329803426.

The spelling of 1922025 in words is "one million, nine hundred twenty-two thousand, twenty-five".