47225641 has 2 divisors, whose sum is σ = 47225642. Its totient is φ = 47225640.

The previous prime is 47225623. The next prime is 47225657. The reversal of 47225641 is 14652274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 931225 = 6804^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 47225641 - 2²³ = 38837033 is a prime.

It is a super-2 number, since 2×47225641² = 4460522335721762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47225441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23612820 + 23612821.

It is an arithmetic number, because the mean of its divisors is an integer number (23612821).

Almost surely, 2^47225641 is an apocalyptic number.

It is an amenable number.

47225641 is a deficient number, since it is larger than the sum of its proper divisors (1).

47225641 is an equidigital number, since it uses as much as digits as its factorization.

47225641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 47225641 is about 6872.0914574822. The cubic root of 47225641 is about 361.4592033860.

The spelling of 47225641 in words is "forty-seven million, two hundred twenty-five thousand, six hundred forty-one".