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22044231111 = 371049725291
BaseRepresentation
bin10100100001111100…
…000100010111000111
32002220022002222011010
4110201330010113013
5330121310343421
614043232213303
71410163605240
oct244174042707
962808088133
1022044231111
119392437121
12433269a233
13210406a646
1410d19b5cc7
15890469076
hex521f045c7

22044231111 has 8 divisors (see below), whose sum is σ = 33591209344. Its totient is φ = 12596703480.

The previous prime is 22044231103. The next prime is 22044231127. The reversal of 22044231111 is 11113244022.

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

It is not a de Polignac number, because 22044231111 - 23 = 22044231103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1049725291 = 22044231111 / (2 + 2 + 0 + 4 + 4 + 2 + 3 + 1 + 1 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044231151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524862625 + ... + 524862666.

It is an arithmetic number, because the mean of its divisors is an integer number (4198901168).

Almost surely, 222044231111 is an apocalyptic number.

22044231111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22044231111 is a deficient number, since it is larger than the sum of its proper divisors (11546978233).

22044231111 is a wasteful number, since it uses less digits than its factorization.

22044231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049725301.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22044231111 its reverse (11113244022), we get a palindrome (33157475133).

The spelling of 22044231111 in words is "twenty-two billion, forty-four million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 3 7 21 1049725291 3149175873 7348077037 22044231111