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22998047 is a prime number
BaseRepresentation
bin101011110111…
…0110000011111
31121021102101112
41113232300133
521341414142
62140532235
7366323462
oct127566037
947242345
1022998047
1111a88856
12785107b
1349c2c17
1430a92d9
152044382
hex15eec1f

22998047 has 2 divisors, whose sum is σ = 22998048. Its totient is φ = 22998046.

The previous prime is 22998029. The next prime is 22998083. The reversal of 22998047 is 74089922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22998047 - 26 = 22997983 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22997995 and 22998013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22998097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11499023 + 11499024.

It is an arithmetic number, because the mean of its divisors is an integer number (11499024).

Almost surely, 222998047 is an apocalyptic number.

22998047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22998047 is an equidigital number, since it uses as much as digits as its factorization.

22998047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 22998047 is about 4795.6279046648. The cubic root of 22998047 is about 284.3786483773.

The spelling of 22998047 in words is "twenty-two million, nine hundred ninety-eight thousand, forty-seven".