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221202012202222 = 2195821105584269
BaseRepresentation
bin110010010010111010011011…
…010111000110010011101110
31002000012201001120010010201211
4302102322123113012103232
5212443133210110432342
62102242445044425034
764410214033435312
oct6222723327062356
91060181046103654
10221202012202222
1164533279188817
12209865223a817a
13965734c9b79cc
143c8a33d71db42
151a88e8a5d3c17
hexc92e9b5c64ee

221202012202222 has 8 divisors (see below), whose sum is σ = 349266335056200. Its totient is φ = 104779900516824.

The previous prime is 221202012202187. The next prime is 221202012202229. The reversal of 221202012202222 is 222202210202122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221202012202193 and 221202012202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221202012202229) 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, 2910552792097 + ... + 2910552792172.

It is an arithmetic number, because the mean of its divisors is an integer number (43658291882025).

Almost surely, 2221202012202222 is an apocalyptic number.

221202012202222 is a deficient number, since it is larger than the sum of its proper divisors (128064322853978).

221202012202222 is a wasteful number, since it uses less digits than its factorization.

221202012202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821105584290.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221202012202222 its reverse (222202210202122), we get a palindrome (443404222404344).

The spelling of 221202012202222 in words is "two hundred twenty-one trillion, two hundred two billion, twelve million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 19 38 5821105584269 11642211168538 110601006101111 221202012202222