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4221886087 is a prime number
BaseRepresentation
bin1111101110100100…
…1101111010000111
3101220020020000221101
43323221031322013
532121300323322
61534533400531
7206423303536
oct37351157207
911806200841
104221886087
111877165561
12999a99147
1352389c763
142c09d231d
1519a9a4327
hexfba4de87

4221886087 has 2 divisors, whose sum is σ = 4221886088. Its totient is φ = 4221886086.

The previous prime is 4221886079. The next prime is 4221886099. The reversal of 4221886087 is 7806881224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221886087 - 23 = 4221886079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221886027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110943043 + 2110943044.

It is an arithmetic number, because the mean of its divisors is an integer number (2110943044).

Almost surely, 24221886087 is an apocalyptic number.

4221886087 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221886087 is an equidigital number, since it uses as much as digits as its factorization.

4221886087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 4221886087 is about 64976.0424079522. The cubic root of 4221886087 is about 1616.2263032203.

It can be divided in two parts, 422188 and 6087, that added together give a triangular number (428275 = T925).

The spelling of 4221886087 in words is "four billion, two hundred twenty-one million, eight hundred eighty-six thousand, eighty-seven".