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1622231023 = 73112136163
BaseRepresentation
bin110000010110001…
…0100011111101111
311012001111212121111
41200230110133233
511310242343043
6424550012451
755125510340
oct14054243757
94161455544
101622231023
117627861a6
12393347127
131cb11a81a
141156400c7
159764109d
hex60b147ef

1622231023 has 16 divisors (see below), whose sum is σ = 1915672576. Its totient is φ = 1344301920.

The previous prime is 1622230999. The next prime is 1622231063. The reversal of 1622231023 is 3201322261.

It is a cyclic number.

It is not a de Polignac number, because 1622231023 - 221 = 1620133871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1622230985 and 1622231003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622231063) 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 in 15 ways as a sum of consecutive naturals, for example, 260140 + ... + 266302.

It is an arithmetic number, because the mean of its divisors is an integer number (119729536).

Almost surely, 21622231023 is an apocalyptic number.

1622231023 is a deficient number, since it is larger than the sum of its proper divisors (293441553).

1622231023 is a wasteful number, since it uses less digits than its factorization.

1622231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1622231023 is about 40276.9291654664. The cubic root of 1622231023 is about 1174.9991907041. Note that the first 3 decimals are identical.

Adding to 1622231023 its reverse (3201322261), we get a palindrome (4823553284).

The spelling of 1622231023 in words is "one billion, six hundred twenty-two million, two hundred thirty-one thousand, twenty-three".

Divisors: 1 7 31 217 1213 6163 8491 37603 43141 191053 263221 1337371 7475719 52330033 231747289 1622231023