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622238 = 2421739
BaseRepresentation
bin10010111111010011110
31011121112212
42113322132
5124402423
621200422
75201051
oct2277236
91147485
10622238
11395551
12260112
1318a2b6
14122a98
15c4578
hex97e9e

622238 has 8 divisors (see below), whose sum is σ = 936840. Its totient is φ = 309960.

The previous prime is 622189. The next prime is 622241. The reversal of 622238 is 832226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

622238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (117105).

2622238 is an apocalyptic number.

622238 is a deficient number, since it is larger than the sum of its proper divisors (314602).

622238 is a wasteful number, since it uses less digits than its factorization.

622238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162.

The product of its digits is 1152, while the sum is 23.

The square root of 622238 is about 788.8206386752. The cubic root of 622238 is about 85.3726659226.

The spelling of 622238 in words is "six hundred twenty-two thousand, two hundred thirty-eight".

Divisors: 1 2 421 739 842 1478 311119 622238