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22213153441 = 19261532281
BaseRepresentation
bin10100101100000000…
…011101001010100001
32010100001222010000201
4110230000131022201
5330443031402231
614112104545201
71414314455203
oct245400351241
963301863021
1022213153441
119469822a56
12437b182201
13213006329b
14110a1c8773
158a01d5161
hex52c01d2a1

22213153441 has 6 divisors (see below), whose sum is σ = 23443799442. Its totient is φ = 21044039760.

The previous prime is 22213153433. The next prime is 22213153453. The reversal of 22213153441 is 14435131222.

It can be written as a sum of positive squares in only one way, i.e., 20528871841 + 1684281600 = 143279^2 + 41040^2 .

It is not a de Polignac number, because 22213153441 - 23 = 22213153433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22213153421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30765780 + ... + 30766501.

It is an arithmetic number, because the mean of its divisors is an integer number (3907299907).

Almost surely, 222213153441 is an apocalyptic number.

It is an amenable number.

22213153441 is a deficient number, since it is larger than the sum of its proper divisors (1230646001).

22213153441 is an equidigital number, since it uses as much as digits as its factorization.

22213153441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61532319 (or 61532300 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

Adding to 22213153441 its reverse (14435131222), we get a palindrome (36648284663).

It can be divided in two parts, 222131 and 53441, that added together give a palindrome (275572).

The spelling of 22213153441 in words is "twenty-two billion, two hundred thirteen million, one hundred fifty-three thousand, four hundred forty-one".

Divisors: 1 19 361 61532281 1169113339 22213153441