47222530 has 16 divisors (see below), whose sum is σ = 85623480. Its totient is φ = 18750592.

The previous prime is 47222521. The next prime is 47222531. The reversal of 47222530 is 3522274.

It can be written as a sum of positive squares in 4 ways, for example, as 41126569 + 6095961 = 6413^2 + 2469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47222495 and 47222504.

It is not an unprimeable number, because it can be changed into a prime (47222531) 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, 15865 + ... + 18604.

Almost surely, 2^47222530 is an apocalyptic number.

47222530 is a deficient number, since it is larger than the sum of its proper divisors (38400950).

47222530 is a wasteful number, since it uses less digits than its factorization.

47222530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34613.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 47222530 is about 6871.8651034490. The cubic root of 47222530 is about 361.4512661422.

The spelling of 47222530 in words is "forty-seven million, two hundred twenty-two thousand, five hundred thirty".