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722025349 is a prime number
BaseRepresentation
bin101011000010010…
…011101110000101
31212022121200120121
4223002103232011
52434314302344
6155351301541
723615054113
oct5302235605
91768550517
10722025349
11340623371
1218197a8b1
13b6781646
146bc6cab3
15435c3684
hex2b093b85

722025349 has 2 divisors, whose sum is σ = 722025350. Its totient is φ = 722025348.

The previous prime is 722025323. The next prime is 722025389. The reversal of 722025349 is 943520227.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477728449 + 244296900 = 21857^2 + 15630^2 .

It is a cyclic number.

It is not a de Polignac number, because 722025349 - 27 = 722025221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722025389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361012674 + 361012675.

It is an arithmetic number, because the mean of its divisors is an integer number (361012675).

Almost surely, 2722025349 is an apocalyptic number.

It is an amenable number.

722025349 is a deficient number, since it is larger than the sum of its proper divisors (1).

722025349 is an equidigital number, since it uses as much as digits as its factorization.

722025349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 722025349 is about 26870.5293769959. The cubic root of 722025349 is about 897.1205707279.

The spelling of 722025349 in words is "seven hundred twenty-two million, twenty-five thousand, three hundred forty-nine".