47422291 has 8 divisors (see below), whose sum is σ = 54501120. Its totient is φ = 40419528.

The previous prime is 47422283. The next prime is 47422301. The reversal of 47422291 is 19222474.

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

It is a cyclic number.

It is not a de Polignac number, because 47422291 - 2³ = 47422283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47422261) 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, 17671 + ... + 20176.

It is an arithmetic number, because the mean of its divisors is an integer number (6812640).

Almost surely, 2^47422291 is an apocalyptic number.

47422291 is a deficient number, since it is larger than the sum of its proper divisors (7078829).

47422291 is a wasteful number, since it uses less digits than its factorization.

47422291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38033.

The product of its digits is 8064, while the sum is 31.

The square root of 47422291 is about 6886.3844650150. The cubic root of 47422291 is about 361.9602201844.

The spelling of 47422291 in words is "forty-seven million, four hundred twenty-two thousand, two hundred ninety-one".