47922237 has 48 divisors (see below), whose sum is σ = 80808000. Its totient is φ = 27060480.

The previous prime is 47922223. The next prime is 47922247. The reversal of 47922237 is 73222974.

It is not a de Polignac number, because 47922237 - 2⁸ = 47921981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47922247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137139 + ... + 137487.

It is an arithmetic number, because the mean of its divisors is an integer number (1683500).

Almost surely, 2^47922237 is an apocalyptic number.

It is an amenable number.

47922237 is a deficient number, since it is larger than the sum of its proper divisors (32885763).

47922237 is a wasteful number, since it uses less digits than its factorization.

47922237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 47922237 is about 6922.5888943371. The cubic root of 47922237 is about 363.2277558929.

The spelling of 47922237 in words is "forty-seven million, nine hundred twenty-two thousand, two hundred thirty-seven".