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2225001553 = 11511933103
BaseRepresentation
bin1000010010011110…
…1101010001010001
312202001201210022221
42010213231101101
514024100022203
61004441301041
7106065125665
oct20447552121
95661653287
102225001553
11a41a56665
12521194781
13295c76488
141717088a5
15d0509abd
hex849ed451

2225001553 has 4 divisors (see below), whose sum is σ = 2226935808. Its totient is φ = 2223067300.

The previous prime is 2225001551. The next prime is 2225001601. The reversal of 2225001553 is 3551005222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2225001553 - 21 = 2225001551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225001551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965401 + ... + 967702.

It is an arithmetic number, because the mean of its divisors is an integer number (556733952).

Almost surely, 22225001553 is an apocalyptic number.

It is an amenable number.

2225001553 is a deficient number, since it is larger than the sum of its proper divisors (1934255).

2225001553 is a wasteful number, since it uses less digits than its factorization.

2225001553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934254.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2225001553 is about 47169.9221220472. The cubic root of 2225001553 is about 1305.4996893451.

Adding to 2225001553 its reverse (3551005222), we get a palindrome (5776006775).

The spelling of 2225001553 in words is "two billion, two hundred twenty-five million, one thousand, five hundred fifty-three".

Divisors: 1 1151 1933103 2225001553