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622225147 is a prime number
BaseRepresentation
bin100101000101100…
…110011011111011
31121100211022102211
4211011212123323
52233242201042
6141424235551
721263553325
oct4505463373
91540738384
10622225147
1129a258a65
1215446bbb7
139bbaaa7b
145c8d0615
153995d017
hex251666fb

622225147 has 2 divisors, whose sum is σ = 622225148. Its totient is φ = 622225146.

The previous prime is 622225139. The next prime is 622225159. The reversal of 622225147 is 741522226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622225147 - 23 = 622225139 is a prime.

It is not a weakly prime, because it can be changed into another prime (622225117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311112573 + 311112574.

It is an arithmetic number, because the mean of its divisors is an integer number (311112574).

Almost surely, 2622225147 is an apocalyptic number.

622225147 is a deficient number, since it is larger than the sum of its proper divisors (1).

622225147 is an equidigital number, since it uses as much as digits as its factorization.

622225147 is an odious number, because the sum of its binary digits is odd.

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

The square root of 622225147 is about 24944.4412044046. The cubic root of 622225147 is about 853.7207809691.

The spelling of 622225147 in words is "six hundred twenty-two million, two hundred twenty-five thousand, one hundred forty-seven".