47152722 has 16 divisors (see below), whose sum is σ = 96085440. Its totient is φ = 15420912.

The previous prime is 47152711. The next prime is 47152751. The reversal of 47152722 is 22725174.

It is a self number, because there is not a number n which added to its sum of digits gives 47152722.

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, 73822 + ... + 74457.

It is an arithmetic number, because the mean of its divisors is an integer number (6005340).

Almost surely, 2^47152722 is an apocalyptic number.

47152722 is an abundant number, since it is smaller than the sum of its proper divisors (48932718).

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

47152722 is a wasteful number, since it uses less digits than its factorization.

47152722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148337.

The product of its digits is 7840, while the sum is 30.

The square root of 47152722 is about 6866.7839633995. The cubic root of 47152722 is about 361.2730698900.

Adding to 47152722 its reverse (22725174), we get a palindrome (69877896).

It can be divided in two parts, 47152 and 722, that added together give a palindrome (47874).

The spelling of 47152722 in words is "forty-seven million, one hundred fifty-two thousand, seven hundred twenty-two".