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622669097 is a prime number
BaseRepresentation
bin100101000111010…
…010110100101001
31121101122212102102
4211013102310221
52233400402342
6141441543145
721300412541
oct4507226451
91541585372
10622669097
1129a531566
12154644ab5
139c004b6b
145c9a8321
15399e9832
hex251d2d29

622669097 has 2 divisors, whose sum is σ = 622669098. Its totient is φ = 622669096.

The previous prime is 622669057. The next prime is 622669127. The reversal of 622669097 is 790966226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471280681 + 151388416 = 21709^2 + 12304^2 .

It is a cyclic number.

It is not a de Polignac number, because 622669097 - 210 = 622668073 is a prime.

It is not a weakly prime, because it can be changed into another prime (622669057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311334548 + 311334549.

It is an arithmetic number, because the mean of its divisors is an integer number (311334549).

Almost surely, 2622669097 is an apocalyptic number.

It is an amenable number.

622669097 is a deficient number, since it is larger than the sum of its proper divisors (1).

622669097 is an equidigital number, since it uses as much as digits as its factorization.

622669097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 622669097 is about 24953.3383938903. The cubic root of 622669097 is about 853.9237724633.

The spelling of 622669097 in words is "six hundred twenty-two million, six hundred sixty-nine thousand, ninety-seven".