47279722 has 16 divisors (see below), whose sum is σ = 81155520. Its totient is φ = 20236608.

The previous prime is 47279719. The next prime is 47279741. The reversal of 47279722 is 22797274.

It is a super-2 number, since 2×47279722² = 4470744224794568, which contains 22 as substring.

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, 12453 + ... + 15799.

It is an arithmetic number, because the mean of its divisors is an integer number (5072220).

Almost surely, 2^47279722 is an apocalyptic number.

47279722 is a deficient number, since it is larger than the sum of its proper divisors (33875798).

47279722 is a wasteful number, since it uses less digits than its factorization.

47279722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365.

The product of its digits is 98784, while the sum is 40.

The square root of 47279722 is about 6876.0251599307. The cubic root of 47279722 is about 361.5971271749.

The spelling of 47279722 in words is "forty-seven million, two hundred seventy-nine thousand, seven hundred twenty-two".