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13222232212 = 227795977501
BaseRepresentation
bin11000101000001101…
…10100000010010100
31021010110221222202011
430110012310002110
5204034342412322
610024010154004
7645442055650
oct142406640224
937113858664
1013222232212
115675672842
122690122904
131329441457
148d6097a60
15525bed677
hex3141b4094

13222232212 has 24 divisors (see below), whose sum is σ = 26779208960. Its totient is φ = 5594940000.

The previous prime is 13222232173. The next prime is 13222232227. The reversal of 13222232212 is 21223222231.

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, 2986539 + ... + 2990962.

Almost surely, 213222232212 is an apocalyptic number.

It is an amenable number.

13222232212 is an abundant number, since it is smaller than the sum of its proper divisors (13556976748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222232212 is a wasteful number, since it uses less digits than its factorization.

13222232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977591 (or 5977589 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

Adding to 13222232212 its reverse (21223222231), we get a palindrome (34445454443).

The spelling of 13222232212 in words is "thirteen billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 5977501 11955002 23910004 41842507 83685014 167370028 472222579 944445158 1888890316 3305558053 6611116106 13222232212