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2132222001 = 371349115907
BaseRepresentation
bin111111100010111…
…0010000000110001
312111121011002201020
41333011302000301
513331322101001
6551324530053
7103560405450
oct17705620061
95447132636
102132222001
119a4646a48
124b60b0929
1327c990330
14163276b97
15c72ce736
hex7f172031

2132222001 has 32 divisors (see below), whose sum is σ = 3506377728. Its totient is φ = 1122327360.

The previous prime is 2132221981. The next prime is 2132222011. The reversal of 2132222001 is 1002222312.

It is a happy number.

It is not a de Polignac number, because 2132222001 - 29 = 2132221489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2132222011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126090 + ... + 141996.

It is an arithmetic number, because the mean of its divisors is an integer number (109574304).

Almost surely, 22132222001 is an apocalyptic number.

2132222001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2132222001 is a deficient number, since it is larger than the sum of its proper divisors (1374155727).

2132222001 is a wasteful number, since it uses less digits than its factorization.

2132222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16421.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2132222001 is about 46175.9894425664. The cubic root of 2132222001 is about 1287.0956032361.

Adding to 2132222001 its reverse (1002222312), we get a palindrome (3134444313).

The spelling of 2132222001 in words is "two billion, one hundred thirty-two million, two hundred twenty-two thousand, one".

Divisors: 1 3 7 13 21 39 91 273 491 1473 3437 6383 10311 15907 19149 44681 47721 111349 134043 206791 334047 620373 1447537 4342611 7810337 23431011 54672359 101534381 164017077 304603143 710740667 2132222001