47522225 has 24 divisors (see below), whose sum is σ = 64424448. Its totient is φ = 34617600.

The previous prime is 47522221. The next prime is 47522261. The reversal of 47522225 is 52222574.

It is not a de Polignac number, because 47522225 - 2² = 47522221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47522221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11372 + ... + 14978.

It is an arithmetic number, because the mean of its divisors is an integer number (2684352).

Almost surely, 2^47522225 is an apocalyptic number.

It is an amenable number.

47522225 is a deficient number, since it is larger than the sum of its proper divisors (16902223).

47522225 is a wasteful number, since it uses less digits than its factorization.

47522225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665 (or 3660 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 47522225 is about 6893.6365584501. The cubic root of 47522225 is about 362.2142972778.

Adding to 47522225 its reverse (52222574), we get a palindrome (99744799).

The spelling of 47522225 in words is "forty-seven million, five hundred twenty-two thousand, two hundred twenty-five".