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22220551333 = 149149131217
BaseRepresentation
bin10100101100011100…
…101011010010100101
32010100120212222000201
4110230130223102211
5331001430120313
614112531310501
71414434366331
oct245434532245
963316788021
1022220551333
119472a16112
12438174b431
132131753636
14110b1927c1
158a0b970dd
hex52c72b4a5

22220551333 has 4 divisors (see below), whose sum is σ = 22369682700. Its totient is φ = 22071419968.

The previous prime is 22220551307. The next prime is 22220551351. The reversal of 22220551333 is 33315502222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6721048324 + 15499503009 = 81982^2 + 124497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22220551333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220551393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74565460 + ... + 74565757.

It is an arithmetic number, because the mean of its divisors is an integer number (5592420675).

Almost surely, 222220551333 is an apocalyptic number.

It is an amenable number.

22220551333 is a deficient number, since it is larger than the sum of its proper divisors (149131367).

22220551333 is a wasteful number, since it uses less digits than its factorization.

22220551333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149131366.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 22220551333 in words is "twenty-two billion, two hundred twenty million, five hundred fifty-one thousand, three hundred thirty-three".

Divisors: 1 149 149131217 22220551333