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2257042223 is a prime number
BaseRepresentation
bin1000011010000111…
…1011101100101111
312211022000121212102
42012201323230233
514110300322343
61011544125315
7106634354012
oct20641735457
95738017772
102257042223
11a59050257
1252ba6683b
1329c7b4257
14175a89379
15d32383b8
hex8687bb2f

2257042223 has 2 divisors, whose sum is σ = 2257042224. Its totient is φ = 2257042222.

The previous prime is 2257042211. The next prime is 2257042231. The reversal of 2257042223 is 3222407522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2257042223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257042423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128521111 + 1128521112.

It is an arithmetic number, because the mean of its divisors is an integer number (1128521112).

Almost surely, 22257042223 is an apocalyptic number.

2257042223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257042223 is an equidigital number, since it uses as much as digits as its factorization.

2257042223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 2257042223 is about 47508.3384575803. The cubic root of 2257042223 is about 1311.7363729484.

Adding to 2257042223 its reverse (3222407522), we get a palindrome (5479449745).

The spelling of 2257042223 in words is "two billion, two hundred fifty-seven million, forty-two thousand, two hundred twenty-three".