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122224390 = 25173971811
BaseRepresentation
bin1110100100011…
…11111100000110
322111222122100021
413102033330012
5222242140030
620043405354
73012614221
oct722177406
9274878307
10122224390
1162aa0aa2
1234b2385a
131c425532
14123385b8
15aae497a
hex748ff06

122224390 has 32 divisors (see below), whose sum is σ = 233661024. Its totient is φ = 45872640.

The previous prime is 122224387. The next prime is 122224423. The reversal of 122224390 is 93422221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66585 + ... + 68395.

It is an arithmetic number, because the mean of its divisors is an integer number (7301907).

Almost surely, 2122224390 is an apocalyptic number.

122224390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122224390 is a deficient number, since it is larger than the sum of its proper divisors (111436634).

122224390 is a wasteful number, since it uses less digits than its factorization.

122224390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 122224390 is about 11055.5140088555. The cubic root of 122224390 is about 496.2714516336.

The spelling of 122224390 in words is "one hundred twenty-two million, two hundred twenty-four thousand, three hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 397 794 1811 1985 3622 3970 6749 9055 13498 18110 30787 33745 61574 67490 153935 307870 718967 1437934 3594835 7189670 12222439 24444878 61112195 122224390