47122448 has 40 divisors (see below), whose sum is σ = 96790680. Its totient is φ = 22184960.

The previous prime is 47122447. The next prime is 47122501. The reversal of 47122448 is 84422174.

It can be written as a sum of positive squares in 4 ways, for example, as 719104 + 46403344 = 848^2 + 6812^2 .

It is not an unprimeable number, because it can be changed into a prime (47122441) 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, 17786 + ... + 20262.

It is an arithmetic number, because the mean of its divisors is an integer number (2419767).

Almost surely, 2^47122448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47122448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48395340).

47122448 is an abundant number, since it is smaller than the sum of its proper divisors (49668232).

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

47122448 is a wasteful number, since it uses less digits than its factorization.

47122448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555 (or 2549 counting only the distinct ones).

The product of its digits is 14336, while the sum is 32.

The square root of 47122448 is about 6864.5792296396. The cubic root of 47122448 is about 361.1957359137.

The spelling of 47122448 in words is "forty-seven million, one hundred twenty-two thousand, four hundred forty-eight".