1895228772 has 96 divisors (see below), whose sum is σ = 4702946304. Its totient is φ = 593049600.

The previous prime is 1895228771. The next prime is 1895228789. The reversal of 1895228772 is 2778225981.

It is not an unprimeable number, because it can be changed into a prime (1895228771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4773678 + ... + 4774074.

It is an arithmetic number, because the mean of its divisors is an integer number (48989024).

Almost surely, 2^1895228772 is an apocalyptic number.

1895228772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1895228772 is an abundant number, since it is smaller than the sum of its proper divisors (2807717532).

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

1895228772 is a wasteful number, since it uses less digits than its factorization.

1895228772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 787 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The square root of 1895228772 is about 43534.2252945886. The cubic root of 1895228772 is about 1237.5247126582.

The spelling of 1895228772 in words is "one billion, eight hundred ninety-five million, two hundred twenty-eight thousand, seven hundred seventy-two".