1955228 has 24 divisors (see below), whose sum is σ = 3836784. Its totient is φ = 864000.

The previous prime is 1955203. The next prime is 1955237. The reversal of 1955228 is 8225591.

It is a d-powerful number, because it can be written as 1 + 9 + 5 + 5⁹ + 2⁵ + 2¹¹ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 1955194 and 1955203.

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 in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (159866).

2^1955228 is an apocalyptic number.

It is an amenable number.

1955228 is a deficient number, since it is larger than the sum of its proper divisors (1881556).

1955228 is a wasteful number, since it uses less digits than its factorization.

1955228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1251 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 1955228 is about 1398.2946756675. The cubic root of 1955228 is about 125.0448479074.

The spelling of 1955228 in words is "one million, nine hundred fifty-five thousand, two hundred twenty-eight".