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2255440222 = 27859187547
BaseRepresentation
bin1000011001101111…
…0100100101011110
312211012000020100001
42012123310211132
514104343041342
61011445524514
7106614632320
oct20633644536
95735006301
102255440222
11a58156692
1252b41373a
1329c373019
1417578d610
15d301d8b7
hex866f495e

2255440222 has 16 divisors (see below), whose sum is σ = 3870990720. Its totient is φ = 965486808.

The previous prime is 2255440207. The next prime is 2255440223. The reversal of 2255440222 is 2220445522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255440223) by changing a digit.

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, 81748 + ... + 105799.

It is an arithmetic number, because the mean of its divisors is an integer number (241936920).

Almost surely, 22255440222 is an apocalyptic number.

2255440222 is a deficient number, since it is larger than the sum of its proper divisors (1615550498).

2255440222 is a wasteful number, since it uses less digits than its factorization.

2255440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188415.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2255440222 is about 47491.4752560920. The cubic root of 2255440222 is about 1311.4259518830.

Adding to 2255440222 its reverse (2220445522), we get a palindrome (4475885744).

The spelling of 2255440222 in words is "two billion, two hundred fifty-five million, four hundred forty thousand, two hundred twenty-two".

Divisors: 1 2 7 14 859 1718 6013 12026 187547 375094 1312829 2625658 161102873 322205746 1127720111 2255440222