4722778948 has 48 divisors (see below), whose sum is σ = 8738150400. Its totient is φ = 2230525440.

The previous prime is 4722778867. The next prime is 4722778987. The reversal of 4722778948 is 8498772274.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4722778892 and 4722778901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869136 + ... + 874552.

It is an arithmetic number, because the mean of its divisors is an integer number (182044800).

Almost surely, 2^4722778948 is an apocalyptic number.

It is an amenable number.

4722778948 is a deficient number, since it is larger than the sum of its proper divisors (4015371452).

4722778948 is a wasteful number, since it uses less digits than its factorization.

4722778948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620 (or 5618 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 58.

The square root of 4722778948 is about 68722.4777492779. The cubic root of 4722778948 is about 1677.7704442616.

The spelling of 4722778948 in words is "four billion, seven hundred twenty-two million, seven hundred seventy-eight thousand, nine hundred forty-eight".