47222569 has 2 divisors, whose sum is σ = 47222570. Its totient is φ = 47222568.

The previous prime is 47222561. The next prime is 47222603. The reversal of 47222569 is 96522274.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 10316944 = 6075^2 + 3212^2 .

It is a cyclic number.

It is not a de Polignac number, because 47222569 - 2³ = 47222561 is a prime.

It is a super-2 number, since 2×47222569² = 4459942045919522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47222561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23611284 + 23611285.

It is an arithmetic number, because the mean of its divisors is an integer number (23611285).

Almost surely, 2^47222569 is an apocalyptic number.

It is an amenable number.

47222569 is a deficient number, since it is larger than the sum of its proper divisors (1).

47222569 is an equidigital number, since it uses as much as digits as its factorization.

47222569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 47222569 is about 6871.8679411060. The cubic root of 47222569 is about 361.4513656469.

The spelling of 47222569 in words is "forty-seven million, two hundred twenty-two thousand, five hundred sixty-nine".