47522818 has 8 divisors (see below), whose sum is σ = 81467712. Its totient is φ = 20366916.

The previous prime is 47522777. The next prime is 47522879. The reversal of 47522818 is 81822574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47522818² = 4516836461322248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697230 + ... + 1697257.

It is an arithmetic number, because the mean of its divisors is an integer number (10183464).

Almost surely, 2^47522818 is an apocalyptic number.

47522818 is a deficient number, since it is larger than the sum of its proper divisors (33944894).

47522818 is a wasteful number, since it uses less digits than its factorization.

47522818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394496.

The product of its digits is 35840, while the sum is 37.

The square root of 47522818 is about 6893.6795689965. The cubic root of 47522818 is about 362.2158038865.

The spelling of 47522818 in words is "forty-seven million, five hundred twenty-two thousand, eight hundred eighteen".