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10401220222 = 25200610111
BaseRepresentation
bin10011010111111011…
…00000011001111110
3222211212201201210121
421223331200121332
5132300203021342
64440034125154
7515515625131
oct115375403176
928755651717
1010401220222
114458243778
1220234207ba
13c99b682a3
14709564218
1540d213067
hex26bf6067e

10401220222 has 4 divisors (see below), whose sum is σ = 15601830336. Its totient is φ = 5200610110.

The previous prime is 10401220187. The next prime is 10401220283. The reversal of 10401220222 is 22202210401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22202210401 = 73171744343.

It is a junction number, because it is equal to n+sod(n) for n = 10401220196 and 10401220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600305054 + ... + 2600305057.

It is an arithmetic number, because the mean of its divisors is an integer number (3900457584).

Almost surely, 210401220222 is an apocalyptic number.

10401220222 is a deficient number, since it is larger than the sum of its proper divisors (5200610114).

10401220222 is an equidigital number, since it uses as much as digits as its factorization.

10401220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200610113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10401220222 its reverse (22202210401), we get a palindrome (32603430623).

The spelling of 10401220222 in words is "ten billion, four hundred one million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 5200610111 10401220222