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2122022201 = 13198591183
BaseRepresentation
bin111111001111011…
…0111110100111001
312110212221220012212
41332132313310321
513321214202301
6550322144505
7103404614435
oct17636676471
95425856185
102122022201
1199990a762
124b27b2135
1327a82b850
14161b7d9c5
15c64674bb
hex7e7b7d39

2122022201 has 8 divisors (see below), whose sum is σ = 2405531520. Its totient is φ = 1855695312.

The previous prime is 2122022153. The next prime is 2122022213. The reversal of 2122022201 is 1022202212.

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 2122022201 - 214 = 2122005817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122022291) 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, 4295345 + ... + 4295838.

It is an arithmetic number, because the mean of its divisors is an integer number (300691440).

Almost surely, 22122022201 is an apocalyptic number.

It is an amenable number.

2122022201 is a deficient number, since it is larger than the sum of its proper divisors (283509319).

2122022201 is a wasteful number, since it uses less digits than its factorization.

2122022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591215.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2122022201 is about 46065.4121983077. The cubic root of 2122022201 is about 1285.0399844230.

Adding to 2122022201 its reverse (1022202212), we get a palindrome (3144224413).

The spelling of 2122022201 in words is "two billion, one hundred twenty-two million, twenty-two thousand, two hundred one".

Divisors: 1 13 19 247 8591183 111685379 163232477 2122022201