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22211233331 = 7231136611847
BaseRepresentation
bin10100101011111001…
…001000011000110011
32010022221100120010112
4110223321020120303
5330442033431311
614111555451535
71414262240210
oct245371103063
963287316115
1022211233331
119468731391
12437a5b6bab
13212c840321
141109c48b07
1589ee5628b
hex52be48633

22211233331 has 32 divisors (see below), whose sum is σ = 26777253888. Its totient is φ = 18012234240.

The previous prime is 22211233309. The next prime is 22211233379. The reversal of 22211233331 is 13333211222.

It is not a de Polignac number, because 22211233331 - 26 = 22211233267 is a prime.

It is a super-2 number, since 2×222112333312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 22211233297 and 22211233306.

It is not an unprimeable number, because it can be changed into a prime (22211233381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12024650 + ... + 12026496.

It is an arithmetic number, because the mean of its divisors is an integer number (836789184).

Almost surely, 222211233331 is an apocalyptic number.

22211233331 is a deficient number, since it is larger than the sum of its proper divisors (4566020557).

22211233331 is a wasteful number, since it uses less digits than its factorization.

22211233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651.

The product of its digits is 1296, while the sum is 23.

Adding to 22211233331 its reverse (13333211222), we get a palindrome (35544444553).

The spelling of 22211233331 in words is "twenty-two billion, two hundred eleven million, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 7 23 113 161 661 791 1847 2599 4627 12929 15203 18193 42481 74693 106421 208711 297367 522851 1220867 1460977 1717939 4800353 8546069 12025573 28079941 33602471 137957971 196559587 965705797 3173033333 22211233331