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2225020651 = 7317860093
BaseRepresentation
bin1000010010011111…
…0001111011101011
312202001202202112021
42010213301323223
514024101130101
61004441525311
7106065235450
oct20447617353
95661682467
102225020651
11a41a69a47
125211a3837
13295c82089
14171711827
15d05105a1
hex849f1eeb

2225020651 has 4 divisors (see below), whose sum is σ = 2542880752. Its totient is φ = 1907160552.

The previous prime is 2225020619. The next prime is 2225020661. The reversal of 2225020651 is 1560205222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2225020651 - 25 = 2225020619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225020661) 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, 158930040 + ... + 158930053.

It is an arithmetic number, because the mean of its divisors is an integer number (635720188).

Almost surely, 22225020651 is an apocalyptic number.

2225020651 is a deficient number, since it is larger than the sum of its proper divisors (317860101).

2225020651 is an equidigital number, since it uses as much as digits as its factorization.

2225020651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317860100.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2225020651 is about 47170.1245599373. The cubic root of 2225020651 is about 1305.5034245278.

Adding to 2225020651 its reverse (1560205222), we get a palindrome (3785225873).

The spelling of 2225020651 in words is "two billion, two hundred twenty-five million, twenty thousand, six hundred fifty-one".

Divisors: 1 7 317860093 2225020651