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1222001201 = 2361786111
BaseRepresentation
bin100100011010110…
…0100001000110001
310011011102002111202
41020311210020301
510000313014301
6321131420545
742165560501
oct11065441061
93134362452
101222001201
11577873653
122a12b4755
13166228745
14b8419a01
157243466b
hex48d64231

1222001201 has 8 divisors (see below), whose sum is σ = 1277213184. Its totient is φ = 1166962720.

The previous prime is 1222001189. The next prime is 1222001203. The reversal of 1222001201 is 1021002221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222001201 - 214 = 1221984817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222001203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28865 + ... + 57246.

It is an arithmetic number, because the mean of its divisors is an integer number (159651648).

Almost surely, 21222001201 is an apocalyptic number.

It is an amenable number.

1222001201 is a deficient number, since it is larger than the sum of its proper divisors (55211983).

1222001201 is an equidigital number, since it uses as much as digits as its factorization.

1222001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86751.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1222001201 is about 34957.1337640831. The cubic root of 1222001201 is about 1069.1136576445.

Adding to 1222001201 its reverse (1021002221), we get a palindrome (2243003422).

The spelling of 1222001201 in words is "one billion, two hundred twenty-two million, one thousand, two hundred one".

Divisors: 1 23 617 14191 86111 1980553 53130487 1222001201