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22212000002 = 212378978173
BaseRepresentation
bin10100101011111100…
…000011100100000010
32010022222210111210202
4110223330003210002
5330442233000002
614112024125202
71414301612333
oct245374034402
963288714722
1022212000002
1194691053a5
12437a906802
13212ca4b28a
141109da828a
158a0058502
hex52bf03902

22212000002 has 8 divisors (see below), whose sum is σ = 33344938236. Its totient is φ = 11097020592.

The previous prime is 22212000001. The next prime is 22212000007. The reversal of 22212000002 is 20000021222.

It can be written as a sum of positive squares in 2 ways, for example, as 18374073601 + 3837926401 = 135551^2 + 61951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22212000001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486613 + ... + 4491560.

Almost surely, 222212000002 is an apocalyptic number.

22212000002 is a deficient number, since it is larger than the sum of its proper divisors (11132938234).

22212000002 is a wasteful number, since it uses less digits than its factorization.

22212000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979412.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22212000002 its reverse (20000021222), we get a palindrome (42212021224).

The spelling of 22212000002 in words is "twenty-two billion, two hundred twelve million, two", and thus it is an aban number.

Divisors: 1 2 1237 2474 8978173 17956346 11106000001 22212000002