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22401022487 is a prime number
BaseRepresentation
bin10100110111001101…
…000111101000010111
32010211011110211220112
4110313031013220113
5331334130204422
614142455353235
71422055356314
oct246715075027
963734424815
1022401022487
11955587a828
12441208281b
13215cc60abc
14112712dd0b
158b1944ee2
hex537347a17

22401022487 has 2 divisors, whose sum is σ = 22401022488. Its totient is φ = 22401022486.

The previous prime is 22401022463. The next prime is 22401022493. The reversal of 22401022487 is 78422010422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22401022487 - 212 = 22401018391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22401022447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200511243 + 11200511244.

It is an arithmetic number, because the mean of its divisors is an integer number (11200511244).

Almost surely, 222401022487 is an apocalyptic number.

22401022487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22401022487 is an equidigital number, since it uses as much as digits as its factorization.

22401022487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 32.

The spelling of 22401022487 in words is "twenty-two billion, four hundred one million, twenty-two thousand, four hundred eighty-seven".