47822237 has 4 divisors (see below), whose sum is σ = 47882016. Its totient is φ = 47762460.

The previous prime is 47822219. The next prime is 47822239. The reversal of 47822237 is 73222874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73222874 = 2 ⋅36611437.

It is a cyclic number.

It is not a de Polignac number, because 47822237 - 2⁸ = 47821981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47822197 and 47822206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47822239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28673 + ... + 30294.

It is an arithmetic number, because the mean of its divisors is an integer number (11970504).

Almost surely, 2^47822237 is an apocalyptic number.

It is an amenable number.

47822237 is a deficient number, since it is larger than the sum of its proper divisors (59779).

47822237 is an equidigital number, since it uses as much as digits as its factorization.

47822237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59778.

The product of its digits is 37632, while the sum is 35.

The square root of 47822237 is about 6915.3623910826. The cubic root of 47822237 is about 362.9749291450.

The spelling of 47822237 in words is "forty-seven million, eight hundred twenty-two thousand, two hundred thirty-seven".