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622244801 is a prime number
BaseRepresentation
bin100101000101101…
…011001111000001
31121100212022101202
4211011223033001
52233243313201
6141424510545
721263664533
oct4505531701
91540768352
10622244801
1129a271802
1215447b455
139bbb69b9
145c8d7853
1539963c6b
hex2516b3c1

622244801 has 2 divisors, whose sum is σ = 622244802. Its totient is φ = 622244800.

The previous prime is 622244743. The next prime is 622244807. The reversal of 622244801 is 108442226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619761025 + 2483776 = 24895^2 + 1576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-622244801 is a prime.

It is not a weakly prime, because it can be changed into another prime (622244807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311122400 + 311122401.

It is an arithmetic number, because the mean of its divisors is an integer number (311122401).

Almost surely, 2622244801 is an apocalyptic number.

It is an amenable number.

622244801 is a deficient number, since it is larger than the sum of its proper divisors (1).

622244801 is an equidigital number, since it uses as much as digits as its factorization.

622244801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 622244801 is about 24944.8351568015. The cubic root of 622244801 is about 853.7297695974.

The spelling of 622244801 in words is "six hundred twenty-two million, two hundred forty-four thousand, eight hundred one".