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13408222 = 259199571
BaseRepresentation
bin110011001001…
…011111011110
3221020012121211
4303021133132
511413030342
61155215034
7221653012
oct63113736
927205554
1013408222
117628883
1245a747a
132a15c79
141ad0542
15129cc17
hexcc97de

13408222 has 16 divisors (see below), whose sum is σ = 20592000. Its totient is φ = 6545880.

The previous prime is 13408211. The next prime is 13408229. The reversal of 13408222 is 22280431.

It is a junction number, because it is equal to n+sod(n) for n = 13408193 and 13408202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13408229) 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, 23197 + ... + 23767.

It is an arithmetic number, because the mean of its divisors is an integer number (1287000).

Almost surely, 213408222 is an apocalyptic number.

13408222 is a deficient number, since it is larger than the sum of its proper divisors (7183778).

13408222 is a wasteful number, since it uses less digits than its factorization.

13408222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 13408222 is about 3661.7239109469. The cubic root of 13408222 is about 237.5693433713.

Adding to 13408222 its reverse (22280431), we get a palindrome (35688653).

The spelling of 13408222 in words is "thirteen million, four hundred eight thousand, two hundred twenty-two".

Divisors: 1 2 59 118 199 398 571 1142 11741 23482 33689 67378 113629 227258 6704111 13408222