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2228448222 = 23271113337367
BaseRepresentation
bin1000010011010011…
…0110101111011110
312202022012220021100
42010310312233132
514030440320342
61005043213530
7106136332410
oct20464665736
95668186240
102228448222
11a439a0150
125223772a6
132968b2220
14171d649b0
15d098ae4c
hex84d36bde

2228448222 has 192 divisors, whose sum is σ = 6519711744. Its totient is φ = 531256320.

The previous prime is 2228448217. The next prime is 2228448251.

2228448222 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22284482222 = 9931962956269922568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6071883 + ... + 6072249.

It is an arithmetic number, because the mean of its divisors is an integer number (33956832).

Almost surely, 22228448222 is an apocalyptic number.

2228448222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228448222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3259855872).

2228448222 is an abundant number, since it is smaller than the sum of its proper divisors (4291263522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228448222 is a wasteful number, since it uses less digits than its factorization.

2228448222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 740 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 2228448222 is about 47206.4425899686. The cubic root of 2228448222 is about 1306.1734422688.

The spelling of 2228448222 in words is "two billion, two hundred twenty-eight million, four hundred forty-eight thousand, two hundred twenty-two".