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222915055 = 5114053001
BaseRepresentation
bin11010100100101…
…10100111101111
3120112110020222011
431102112213233
5424031240210
634041502051
75344514056
oct1522264757
9515406864
10222915055
11104914420
12627a1927
133724b4cc
142186939d
1514883d8a
hexd4969ef

222915055 has 8 divisors (see below), whose sum is σ = 291816144. Its totient is φ = 162120000.

The previous prime is 222915019. The next prime is 222915071. The reversal of 222915055 is 550519222.

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

It is not a de Polignac number, because 222915055 - 27 = 222914927 is a prime.

It is a super-2 number, since 2×2229150552 = 99382243491306050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026446 + ... + 2026555.

It is an arithmetic number, because the mean of its divisors is an integer number (36477018).

Almost surely, 2222915055 is an apocalyptic number.

222915055 is a deficient number, since it is larger than the sum of its proper divisors (68901089).

222915055 is a wasteful number, since it uses less digits than its factorization.

222915055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053017.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 222915055 is about 14930.3400831997. The cubic root of 222915055 is about 606.3356915751.

The spelling of 222915055 in words is "two hundred twenty-two million, nine hundred fifteen thousand, fifty-five".

Divisors: 1 5 11 55 4053001 20265005 44583011 222915055