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2242204420221 = 321983241655517
BaseRepresentation
bin100000101000001101110…
…011000100100001111101
321221100112002012020000100
4200220031303010201331
5243214013312421341
64434015434151313
7320664626052003
oct40501563044175
97840462166010
102242204420221
11794a05a39617
12302679882539
1313359255435c
147a747c0aa73
153d4d172a3b6
hex20a0dcc487d

2242204420221 has 48 divisors (see below), whose sum is σ = 3464596175040. Its totient is φ = 1393259927040.

The previous prime is 2242204420199. The next prime is 2242204420273. The reversal of 2242204420221 is 1220244022422.

It is not a de Polignac number, because 2242204420221 - 25 = 2242204420189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242204420021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3092755 + ... + 3748271.

It is an arithmetic number, because the mean of its divisors is an integer number (72179086980).

Almost surely, 22242204420221 is an apocalyptic number.

It is an amenable number.

2242204420221 is a deficient number, since it is larger than the sum of its proper divisors (1222391754819).

2242204420221 is a wasteful number, since it uses less digits than its factorization.

2242204420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655866 (or 655863 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 2242204420221 its reverse (1220244022422), we get a palindrome (3462448442643).

The spelling of 2242204420221 in words is "two trillion, two hundred forty-two billion, two hundred four million, four hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 9 19 57 83 171 241 249 723 747 1577 2169 4579 4731 13737 14193 20003 41211 60009 180027 380057 655517 1140171 1966551 3420513 5899653 12454823 37364469 54407911 112093407 157979597 163223733 473938791 489671199 1033750309 1421816373 3001612343 3101250927 9004837029 9303752781 13112306551 27014511087 39336919653 118010758959 249133824469 747401473407 2242204420221