447622249 has 2 divisors, whose sum is σ = 447622250. Its totient is φ = 447622248.

The previous prime is 447622211. The next prime is 447622277. The reversal of 447622249 is 942226744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447618649 + 3600 = 21157^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 447622249 - 2⁹ = 447621737 is a prime.

It is not a weakly prime, because it can be changed into another prime (447622289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223811124 + 223811125.

It is an arithmetic number, because the mean of its divisors is an integer number (223811125).

Almost surely, 2^447622249 is an apocalyptic number.

It is an amenable number.

447622249 is a deficient number, since it is larger than the sum of its proper divisors (1).

447622249 is an equidigital number, since it uses as much as digits as its factorization.

447622249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 447622249 is about 21157.0850780536. The cubic root of 447622249 is about 764.9573496378.

The spelling of 447622249 in words is "four hundred forty-seven million, six hundred twenty-two thousand, two hundred forty-nine".