1948822 has 4 divisors (see below), whose sum is σ = 2923236. Its totient is φ = 974410.

The previous prime is 1948801. The next prime is 1948847. The reversal of 1948822 is 2288491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2288491 = 149 ⋅15359.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 487204 + ... + 487207.

It is an arithmetic number, because the mean of its divisors is an integer number (730809).

2^1948822 is an apocalyptic number.

1948822 is a deficient number, since it is larger than the sum of its proper divisors (974414).

1948822 is an equidigital number, since it uses as much as digits as its factorization.

1948822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974413.

The product of its digits is 9216, while the sum is 34.

The square root of 1948822 is about 1396.0021489955. The cubic root of 1948822 is about 124.9081351700.

It can be divided in two parts, 19 and 48822, that added together give a square (48841 = 221²).

The spelling of 1948822 in words is "one million, nine hundred forty-eight thousand, eight hundred twenty-two".