2278847428 has 24 divisors (see below), whose sum is σ = 4685184000. Its totient is φ = 956159520.

The previous prime is 2278847411. The next prime is 2278847443. The reversal of 2278847428 is 8247488722.

2278847428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991428 + ... + 1992571.

It is an arithmetic number, because the mean of its divisors is an integer number (195216000).

Almost surely, 2^2278847428 is an apocalyptic number.

It is an amenable number.

2278847428 is an abundant number, since it is smaller than the sum of its proper divisors (2406336572).

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

2278847428 is a wasteful number, since it uses less digits than its factorization.

2278847428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984027 (or 3984025 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 52.

The square root of 2278847428 is about 47737.2750374380. The cubic root of 2278847428 is about 1315.9470550541.

The spelling of 2278847428 in words is "two billion, two hundred seventy-eight million, eight hundred forty-seven thousand, four hundred twenty-eight".