47221135 has 48 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 32148480.

The previous prime is 47221127. The next prime is 47221157. The reversal of 47221135 is 53112274.

It is a happy number.

It is not a de Polignac number, because 47221135 - 2³ = 47221127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1004682 + ... + 1004728.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 2^47221135 is an apocalyptic number.

47221135 is a deficient number, since it is larger than the sum of its proper divisors (19185905).

47221135 is a wasteful number, since it uses less digits than its factorization.

47221135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 135 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 47221135 is about 6871.7636018711. The cubic root of 47221135 is about 361.4477068985.

The spelling of 47221135 in words is "forty-seven million, two hundred twenty-one thousand, one hundred thirty-five".