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4022230981 is a prime number
BaseRepresentation
bin1110111110111110…
…0101111111000101
3101101022112111121211
43233233211333011
531214142342411
61503042211421
7201450253636
oct35757457705
911338474554
104022230981
11178449873a
12943053b71
134c1406442
142a229d88d
151881b7221
hexefbe5fc5

4022230981 has 2 divisors, whose sum is σ = 4022230982. Its totient is φ = 4022230980.

The previous prime is 4022230967. The next prime is 4022230999. The reversal of 4022230981 is 1890322204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2310340356 + 1711890625 = 48066^2 + 41375^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022230981 - 29 = 4022230469 is a prime.

It is a super-2 number, since 2×40222309812 = 32356684129032444722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022230921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011115490 + 2011115491.

It is an arithmetic number, because the mean of its divisors is an integer number (2011115491).

Almost surely, 24022230981 is an apocalyptic number.

It is an amenable number.

4022230981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022230981 is an equidigital number, since it uses as much as digits as its factorization.

4022230981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4022230981 is about 63421.0610207682. The cubic root of 4022230981 is about 1590.3364108923.

The spelling of 4022230981 in words is "four billion, twenty-two million, two hundred thirty thousand, nine hundred eighty-one".