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1225223332 = 221372235809
BaseRepresentation
bin100100100000111…
…0110110010100100
310011101110210102221
41021001312302210
510002124121312
6321324442124
742235140454
oct11101666244
93141423387
101225223332
11579674473
122a23a9344
13166ab6228
14b8a17d64
157286e207
hex49076ca4

1225223332 has 12 divisors (see below), whose sum is σ = 2159792460. Its totient is φ = 608139776.

The previous prime is 1225223297. The next prime is 1225223339. The reversal of 1225223332 is 2333225221.

It can be written as a sum of positive squares in 2 ways, for example, as 1067067556 + 158155776 = 32666^2 + 12576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1225223297 and 1225223306.

It is not an unprimeable number, because it can be changed into a prime (1225223339) by changing a digit.

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, 1117357 + ... + 1118452.

It is an arithmetic number, because the mean of its divisors is an integer number (179982705).

Almost surely, 21225223332 is an apocalyptic number.

It is an amenable number.

1225223332 is a deficient number, since it is larger than the sum of its proper divisors (934569128).

1225223332 is a wasteful number, since it uses less digits than its factorization.

1225223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235950 (or 2235948 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 1225223332 is about 35003.1903117416. The cubic root of 1225223332 is about 1070.0525004082.

Adding to 1225223332 its reverse (2333225221), we get a palindrome (3558448553).

The spelling of 1225223332 in words is "one billion, two hundred twenty-five million, two hundred twenty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 137 274 548 2235809 4471618 8943236 306305833 612611666 1225223332