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22331200122 = 23372113112467
BaseRepresentation
bin10100110011000010…
…110001001001111010
32010122022002111122000
4110303002301021322
5331213241400442
614131523041430
71420250032500
oct246302611172
963568074560
1022331200122
11951a4201a0
1243b2810276
13214b6550aa
14111bb56670
158aa751d4c
hex5330b127a

22331200122 has 192 divisors, whose sum is σ = 63202913280. Its totient is φ = 5779317600.

The previous prime is 22331200109. The next prime is 22331200141. The reversal of 22331200122 is 22100213322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22331200095 and 22331200104.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9050733 + ... + 9053199.

It is an arithmetic number, because the mean of its divisors is an integer number (329181840).

Almost surely, 222331200122 is an apocalyptic number.

22331200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22331200122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31601456640).

22331200122 is an abundant number, since it is smaller than the sum of its proper divisors (40871713158).

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

22331200122 is a wasteful number, since it uses less digits than its factorization.

22331200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814 (or 2801 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22331200122 its reverse (22100213322), we get a palindrome (44431413444).

The spelling of 22331200122 in words is "twenty-two billion, three hundred thirty-one million, two hundred thousand, one hundred twenty-two".