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222552226 = 21325793319
BaseRepresentation
bin11010100001111…
…10000010100010
3120111202211021001
431100332002202
5423433132401
634030022214
75341443211
oct1520760242
9514684231
10222552226
11104696866
126264796a
1337152310
14217b3078
1514811601
hexd43e0a2

222552226 has 16 divisors (see below), whose sum is σ = 359755200. Its totient is φ = 102645648.

The previous prime is 222552221. The next prime is 222552227. The reversal of 222552226 is 622255222.

It is a junction number, because it is equal to n+sod(n) for n = 222552194 and 222552203.

It is not an unprimeable number, because it can be changed into a prime (222552221) 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, 65395 + ... + 68713.

It is an arithmetic number, because the mean of its divisors is an integer number (22484700).

Almost surely, 2222552226 is an apocalyptic number.

222552226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222552226 is a deficient number, since it is larger than the sum of its proper divisors (137202974).

222552226 is a wasteful number, since it uses less digits than its factorization.

222552226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913.

The product of its digits is 9600, while the sum is 28.

The square root of 222552226 is about 14918.1844069578. The cubic root of 222552226 is about 606.0065443131.

It can be divided in two parts, 222552 and 226, that added together give a triangular number (222778 = T667).

The spelling of 222552226 in words is "two hundred twenty-two million, five hundred fifty-two thousand, two hundred twenty-six".

Divisors: 1 2 13 26 2579 3319 5158 6638 33527 43147 67054 86294 8559701 17119402 111276113 222552226