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1222039087 is a prime number
BaseRepresentation
bin100100011010110…
…1101011000101111
310011011111000110221
41020311231120233
510000320222322
6321132312211
742166106113
oct11065553057
93134430427
101222039087
1157789a065
122a1312667
1316623ca69
14b8429743
15724409c7
hex48d6d62f

1222039087 has 2 divisors, whose sum is σ = 1222039088. Its totient is φ = 1222039086.

The previous prime is 1222039043. The next prime is 1222039111. The reversal of 1222039087 is 7809302221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222039087 - 219 = 1221514799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222034087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611019543 + 611019544.

It is an arithmetic number, because the mean of its divisors is an integer number (611019544).

Almost surely, 21222039087 is an apocalyptic number.

1222039087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222039087 is an equidigital number, since it uses as much as digits as its factorization.

1222039087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1222039087 is about 34957.6756521368. The cubic root of 1222039087 is about 1069.1247061937.

The spelling of 1222039087 in words is "one billion, two hundred twenty-two million, thirty-nine thousand, eighty-seven".