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13222233244 = 2211331907871
BaseRepresentation
bin11000101000001101…
…10100010010011100
31021010110222001011101
430110012310102130
5204034342430434
610024010202444
7645442061653
oct142406642234
937113861141
1013222233244
1156756735a0
122690123424
131329441a6c
148d609819a
15525bedb14
hex3141b449c

13222233244 has 24 divisors (see below), whose sum is σ = 25318734336. Its totient is φ = 5991942000.

The previous prime is 13222233223. The next prime is 13222233253. The reversal of 13222233244 is 44233222231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439372 + ... + 468499.

It is an arithmetic number, because the mean of its divisors is an integer number (1054947264).

Almost surely, 213222233244 is an apocalyptic number.

It is an amenable number.

13222233244 is a deficient number, since it is larger than the sum of its proper divisors (12096501092).

13222233244 is a wasteful number, since it uses less digits than its factorization.

13222233244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908217 (or 908215 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

Adding to 13222233244 its reverse (44233222231), we get a palindrome (57455455475).

The spelling of 13222233244 in words is "thirteen billion, two hundred twenty-two million, two hundred thirty-three thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 331 662 1324 3641 7282 14564 907871 1815742 3631484 9986581 19973162 39946324 300505301 601010602 1202021204 3305558311 6611116622 13222233244