47622401 has 2 divisors, whose sum is σ = 47622402. Its totient is φ = 47622400.

The previous prime is 47622347. The next prime is 47622403. The reversal of 47622401 is 10422674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27552001 + 20070400 = 5249^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 47622401 - 2¹⁴ = 47606017 is a prime.

Together with 47622403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47622403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23811200 + 23811201.

It is an arithmetic number, because the mean of its divisors is an integer number (23811201).

Almost surely, 2^47622401 is an apocalyptic number.

It is an amenable number.

47622401 is a deficient number, since it is larger than the sum of its proper divisors (1).

47622401 is an equidigital number, since it uses as much as digits as its factorization.

47622401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 47622401 is about 6900.8985646798. The cubic root of 47622401 is about 362.4686324027.

The spelling of 47622401 in words is "forty-seven million, six hundred twenty-two thousand, four hundred one".