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1022230987 is a prime number
BaseRepresentation
bin111100111011100…
…000000111001011
32122020111201021221
4330323200013023
54043142342422
6245233542511
734221551161
oct7473400713
92566451257
101022230987
114850282a8
12246414a37
13133a21c0b
1499a97231
155eb233c7
hex3cee01cb

1022230987 has 2 divisors, whose sum is σ = 1022230988. Its totient is φ = 1022230986.

The previous prime is 1022230973. The next prime is 1022231003. The reversal of 1022230987 is 7890322201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022230987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022230967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511115493 + 511115494.

It is an arithmetic number, because the mean of its divisors is an integer number (511115494).

Almost surely, 21022230987 is an apocalyptic number.

1022230987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022230987 is an equidigital number, since it uses as much as digits as its factorization.

1022230987 is an evil number, because the sum of its binary digits is even.

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

The square root of 1022230987 is about 31972.3472238120. The cubic root of 1022230987 is about 1007.3560843391.

It can be divided in two parts, 10222 and 30987, that added together give a square (41209 = 2032).

The spelling of 1022230987 in words is "one billion, twenty-two million, two hundred thirty thousand, nine hundred eighty-seven".