919228748 has 12 divisors (see below), whose sum is σ = 1614588192. Its totient is φ = 457917840.

The previous prime is 919228711. The next prime is 919228769. The reversal of 919228748 is 847822919.

It is a super-2 number, since 2×919228748² = 1689962982299295008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 919228696 and 919228705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422915 + ... + 425082.

It is an arithmetic number, because the mean of its divisors is an integer number (134549016).

Almost surely, 2^919228748 is an apocalyptic number.

It is an amenable number.

919228748 is a deficient number, since it is larger than the sum of its proper divisors (695359444).

919228748 is a wasteful number, since it uses less digits than its factorization.

919228748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848272 (or 848270 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 919228748 is about 30318.7853978354. The cubic root of 919228748 is about 972.3169708618.

The spelling of 919228748 in words is "nine hundred nineteen million, two hundred twenty-eight thousand, seven hundred forty-eight".