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22122202201 = 112011109291
BaseRepresentation
bin10100100110100101…
…100000010001011001
32010002201211022101021
4110212211200101121
5330301240432301
614055055322441
71412131421221
oct244645402131
963081738337
1022122202201
119422451a40
124354820421
13211726a398
1410dc0b1081
1589721b8a1
hex526960459

22122202201 has 4 divisors (see below), whose sum is σ = 24133311504. Its totient is φ = 20111092900.

The previous prime is 22122202199. The next prime is 22122202243. The reversal of 22122202201 is 10220222122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22122202201 - 21 = 22122202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122202261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005554635 + ... + 1005554656.

It is an arithmetic number, because the mean of its divisors is an integer number (6033327876).

Almost surely, 222122202201 is an apocalyptic number.

It is an amenable number.

22122202201 is a deficient number, since it is larger than the sum of its proper divisors (2011109303).

22122202201 is a wasteful number, since it uses less digits than its factorization.

22122202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011109302.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22122202201 its reverse (10220222122), we get a palindrome (32342424323).

The spelling of 22122202201 in words is "twenty-two billion, one hundred twenty-two million, two hundred two thousand, two hundred one".

Divisors: 1 11 2011109291 22122202201