1948226892 has 24 divisors (see below), whose sum is σ = 4642584576. Its totient is φ = 635591568.

The previous prime is 1948226881. The next prime is 1948226893. The reversal of 1948226892 is 2986228491.

It is not an unprimeable number, because it can be changed into a prime (1948226893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726588 + ... + 1727715.

It is an arithmetic number, because the mean of its divisors is an integer number (193441024).

Almost surely, 2^1948226892 is an apocalyptic number.

1948226892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1948226892 is an abundant number, since it is smaller than the sum of its proper divisors (2694357684).

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

1948226892 is a wasteful number, since it uses less digits than its factorization.

1948226892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454357 (or 3454355 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 1948226892 is about 44138.7232710689. The cubic root of 1948226892 is about 1248.9541955718.

The spelling of 1948226892 in words is "one billion, nine hundred forty-eight million, two hundred twenty-six thousand, eight hundred ninety-two".