47222724 has 48 divisors (see below), whose sum is σ = 112851200. Its totient is φ = 15365376.

The previous prime is 47222717. The next prime is 47222737. The reversal of 47222724 is 42722274.

It is a junction number, because it is equal to n+sod(n) for n = 47222691 and 47222700.

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, 103104 + ... + 103560.

Almost surely, 2^47222724 is an apocalyptic number.

It is an amenable number.

47222724 is an abundant number, since it is smaller than the sum of its proper divisors (65628476).

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

47222724 is a wasteful number, since it uses less digits than its factorization.

47222724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its digits is 12544, while the sum is 30.

The square root of 47222724 is about 6871.8792189619. The cubic root of 47222724 is about 361.4517611139.

Adding to 47222724 its reverse (42722274), we get a palindrome (89944998).

The spelling of 47222724 in words is "forty-seven million, two hundred twenty-two thousand, seven hundred twenty-four".