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10401222 = 2313133349
BaseRepresentation
bin100111101011…
…010111000110
3201120102210110
4213223113012
510130314342
61010533450
7154260156
oct47532706
921512713
1010401222
115964657
123597286
132202390
14154a766
15da6c9c
hex9eb5c6

10401222 has 16 divisors (see below), whose sum is σ = 22402800. Its totient is φ = 3200352.

The previous prime is 10401217. The next prime is 10401233. The reversal of 10401222 is 22210401.

It is a junction number, because it is equal to n+sod(n) for n = 10401198 and 10401207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66597 + ... + 66752.

It is an arithmetic number, because the mean of its divisors is an integer number (1400175).

Almost surely, 210401222 is an apocalyptic number.

10401222 is an abundant number, since it is smaller than the sum of its proper divisors (12001578).

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

10401222 is a wasteful number, since it uses less digits than its factorization.

10401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133367.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10401222 is about 3225.0925568114. The cubic root of 10401222 is about 218.2871255216.

Adding to 10401222 its reverse (22210401), we get a palindrome (32611623).

The spelling of 10401222 in words is "ten million, four hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 133349 266698 400047 800094 1733537 3467074 5200611 10401222