1925220 has 48 divisors (see below), whose sum is σ = 5882688. Its totient is φ = 466560.

The previous prime is 1925219. The next prime is 1925227. The reversal of 1925220 is 225291.

It is not an unprimeable number, because it can be changed into a prime (1925227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799 + ... + 2118.

It is an arithmetic number, because the mean of its divisors is an integer number (122556).

2^1925220 is an apocalyptic number.

1925220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1925220 is an abundant number, since it is smaller than the sum of its proper divisors (3957468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1925220 is a wasteful number, since it uses less digits than its factorization.

1925220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2938 counting only the distinct ones).

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

The square root of 1925220 is about 1387.5229727828. The cubic root of 1925220 is about 124.4018354930.

It can be divided in two parts, 1925 and 220, that added together give a triangular number (2145 = T₆₅).

The spelling of 1925220 in words is "one million, nine hundred twenty-five thousand, two hundred twenty".