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64222275 = 35213199331
BaseRepresentation
bin1111010011111…
…1010001000011
311110211211101210
43310333101003
5112420103100
610212301203
71406610645
oct364772103
9143754353
1064222275
1133285167
1219611803
13103c7a60
14875a895
155988c50
hex3d3f443

64222275 has 48 divisors (see below), whose sum is σ = 115270400. Its totient is φ = 31363200.

The previous prime is 64222253. The next prime is 64222283. The reversal of 64222275 is 57222246.

It is not a de Polignac number, because 64222275 - 28 = 64222019 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193860 + ... + 194190.

Almost surely, 264222275 is an apocalyptic number.

64222275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64222275 is a deficient number, since it is larger than the sum of its proper divisors (51048125).

64222275 is a wasteful number, since it uses less digits than its factorization.

64222275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 64222275 is about 8013.8801463461. The cubic root of 64222275 is about 400.4625378573.

The spelling of 64222275 in words is "sixty-four million, two hundred twenty-two thousand, two hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 199 325 331 597 975 993 995 1655 2587 2985 4303 4965 4975 7761 8275 12909 12935 14925 21515 24825 38805 64545 64675 65869 107575 194025 197607 322725 329345 856297 988035 1646725 2568891 4281485 4940175 12844455 21407425 64222275