47022229 has 2 divisors, whose sum is σ = 47022230. Its totient is φ = 47022228.

The previous prime is 47022223. The next prime is 47022247. The reversal of 47022229 is 92222074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33663204 + 13359025 = 5802^2 + 3655^2 .

It is a cyclic number.

It is not a de Polignac number, because 47022229 - 2¹⁷ = 46891157 is a prime.

It is a super-2 number, since 2×47022229² = 4422180040256882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47022197 and 47022206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47022223) 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, 23511114 + 23511115.

It is an arithmetic number, because the mean of its divisors is an integer number (23511115).

Almost surely, 2^47022229 is an apocalyptic number.

It is an amenable number.

47022229 is a deficient number, since it is larger than the sum of its proper divisors (1).

47022229 is an equidigital number, since it uses as much as digits as its factorization.

47022229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47022229 is about 6857.2756252028. The cubic root of 47022229 is about 360.9394930857.

The spelling of 47022229 in words is "forty-seven million, twenty-two thousand, two hundred twenty-nine".